How to Write Blog Post from A Collection Of Sources (With
How to write a blog post from a collection of sources — a step-by-step guide for academic researchers and PhD candidates who have curated Zotero libraries
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How to write a blog post from competitor research — a step-by-step guide for founders and solo operators who monitor competitors and want to turn that
Competitor research, for a founder or solo operator who monitors the space, means something specific: saved blog posts, pricing page snapshots, customer reviews, job listings, product announcements — primary observations about what other companies in the market are actually doing, not secondhand analysis of them. Most of it sits in a folder or a WebSnips library, referenced occasionally, rarely turned into anything a reader would see.
Turned into a blog post, that intelligence becomes one of three things: a market perspective piece synthesizing what the landscape reveals, a counter-argument engaging a specific competitor claim, or a differentiation post explaining why your approach departs from the norm. This guide covers producing any of the three, plus how to cite competitive observations properly — accurately enough to publish without misrepresenting anyone.
When most blog posts cite "research," they cite third-party studies and reports. Posts written from competitor research cite primary observations — things you've seen directly from competitor websites, pricing pages, product announcements, and customer reviews.
This is a meaningfully different kind of evidence:
Primary observation is hard to dispute. If a competitor's pricing page says $99/month and you've screenshot it with a date, that's verifiable fact. If you've read 30 three-star customer reviews on G2 and they all mention the same onboarding friction, that's a pattern you documented — not secondhand.
Competitor-informed content signals expertise. Readers can tell when a blog post knows the competitive landscape versus when it pretends the competitive landscape doesn't exist. A post that says "most tools in this space do X, but the data from their own review pages shows customers want Y" demonstrates genuine market understanding.
Counter-argument content is inherently interesting. If a major competitor is publicly advocating for position X and you've gathered evidence that X is wrong or incomplete, a direct engagement with their argument is more compelling than a generic take on the topic.
The caveat: competitor research must be handled accurately. Misrepresenting a competitor's pricing, falsely claiming their product is broken, or fabricating customer sentiment is both unethical and legally risky. The standard is the same as any other cited content: cite what you actually found, verify before publishing.
Structure: What I see across the competitive landscape — patterns, trends, and what they mean for buyers.
Uses competitive research as: Collective evidence for a market trend. "Looking at 10 tools in this space, here's what I see..."
Example: "I've been monitoring the top 10 email marketing tools for 18 months. Here's what their pricing changes, feature updates, and customer reviews reveal about where the market is going."
This type doesn't attack any competitor — it synthesizes the landscape to demonstrate expertise.
Structure: Competitor X argues Y. The evidence shows otherwise.
Uses competitive research as: The specific argument you're engaging (a competitor blog post, a widely-shared LinkedIn article, a public claim in a press release).
Example: "HubSpot's recent post argues that email open rates are the key metric for email marketing. Here's why their own customer data (from public G2 reviews) tells a different story."
This type requires more care — you're engaging a specific company's public position, which means being precise about what they actually said.
Structure: Here's how the market typically approaches X — and why we do it differently.
Uses competitive research as: Evidence of the common approach in the market, which your approach differs from.
Example: "Most knowledge management tools prioritize organization features. Our research shows the actual problem is retrieval, not organization — and here's the product review evidence that supports this."
This type is the most useful for positioning your own product, as it cites market evidence for why your approach is differentiated.
Collect your saved competitor research relevant to the post:
Organize by what each piece reveals. Not "blog post from Competitor X" but "Competitor X argues that [claim]" or "Competitor X's reviews consistently mention [friction]."
From your organized research, identify what's most interesting:
This is the crux of the post. Everything else is support.
For a competitor research post, evidence is organized by type:
Primary observation (things you saw directly):
- [Competitor A] pricing page as of [date]: [price point] — screenshot archived at [Wayback URL]
- [Competitor B] G2 page: [number] reviews mentioning [pattern] out of last 50 reviews
- [Competitor C] blog post on [date]: "[quote from post]" — URL: [link]
Third-party data (market research you've saved):
- [Report]: [finding] — Source: [publication, year, URL]
- [Study]: [finding] — Source: [journal/organization, year, URL]
The combination of primary observation (what you saw directly) and third-party data (external validation of the pattern) is the strongest structure for a competitor research post.
I'm writing a [post type: market perspective / counter-argument / differentiation] post
for [audience] of approximately [word count] words.
The central point: [one sentence].
Here is my competitive research evidence:
Primary observations:
[Evidence from Step 3]
Third-party validation:
[Reports and studies from Step 3]
Specific competitor content I'm engaging (for counter-argument type):
[Competitor claim + URL + date]
Draft a post that:
- Opens with the specific situation that makes this topic matter now
- Presents the evidence from my research to build the case
- Cites primary observations with the date I collected them
- Links to the specific competitor content being engaged (for counter-argument type)
- Does not misrepresent any competitor's position
- Does not introduce claims outside my provided evidence
- Closes with what this means for the reader's decision-making
Competitor-based content requires stricter accuracy review than general content:
Verify quotes: If you're quoting a competitor's blog post or marketing copy, confirm the quote is exact and in context. A misquote or out-of-context quote is both inaccurate and risky.
Verify dates: Competitor pricing and features change. A pricing page screenshot from six months ago may be wrong today. Either verify current pricing before citing it or clearly date the observation ("as of [date], [Competitor X] priced their Pro plan at $99/month").
Distinguish pattern from individual case: "30 of the last 50 G2 reviews mention onboarding friction" is a pattern claim. "One reviewer said..." is an individual case. Both are legitimate; be precise about which one you're making.
Don't fabricate: It goes without saying — but competitor content invites temptation to exaggerate weaknesses. Cite what you actually found. The post is more credible for being honest, and a fabricated claim that gets challenged publicly is much worse than an honest limitation.
Topic: Why product-led growth doesn't work for all B2B SaaS
Before (generic approach): Prompt: "Write a post about the limitations of product-led growth."
Output: Generic 1,200-word post making no specific claims and citing no evidence. Could have been written without ever studying any B2B SaaS company.
After (from competitor research):
Evidence gathered:
Central claim: "PLG public positioning often obscures an increasingly dominant enterprise sales motion, and buyers should look at job listings, not marketing copy, to understand how a company actually sells."
Draft output: 1,800-word post with specific evidence from G2 reviews (dated), Tunguz analysis (linked), and job listing observations (with dates). The post makes a specific claim and supports it with specific evidence. Every claim is verifiable.
I've been analyzing customer reviews for competitors in [market].
Here are the patterns I found:
Reviews of [Competitor A] — common themes in 3-star reviews:
- [Pattern 1]: [number] mentions in last 50 reviews
- [Pattern 2]: [number] mentions
Reviews of [Competitor B] — common themes in 3-star reviews:
- [Pattern 1]: [number] mentions
Write a [word count] post for [audience] identifying the [top 3] unmet needs
in the [market] that these review patterns reveal.
Cite each pattern with "[number] of [N] reviews of [Competitor] mention..." format.
Do not imply our product solves these problems unless I explicitly provide that evidence.
[Competitor X] made this public claim in a [blog post / LinkedIn post / press release]:
"[Exact quote]" (Source: [URL], dated [date])
Here is the evidence I've gathered that challenges this claim:
[Evidence list with sources and dates]
Write a [word count] counter-argument post for [audience] that:
- Quotes the original claim accurately with the source link
- Presents my counter-evidence one point at a time
- Acknowledges what's correct in the original claim
- States clearly what the evidence suggests instead
- Does not make claims I can't support with the evidence provided
Competitive research produces some of the most credible and differentiated content you can write — because it cites primary observation rather than secondhand analysis, and because it demonstrates genuine market knowledge rather than generic expertise. The step-by-step process above converts your saved competitor research into a published, well-cited post in a fraction of the time it takes to research from scratch. Start with the evidence you've already gathered, choose the post type that fits the pattern you found, and draft from there.
For more on this, see Web Clipping for Research Papers.
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