"Looks more popular" is not a reason to spend money. These five are.
1. Warming an ad creative before you scale spend
Cold traffic from an ad lands on a post with no context. A promoted post that already shows 30–50 on-topic comments reads as a recommendation people are discussing, not an interruption. Order before you set the ad live, region-matched to your targeting. This is the highest-return use — the comment spend is a small fraction of the media budget and it works on the most expensive, least-trusting impressions.
2. A launch post that needs first-hour momentum
Instagram decides how far to push a new post based on its first hour. A launch post with an active comment section during that window gets a better read and lowers the friction for real viewers to add their own. Order 10–15 minutes after posting, keep the first batch modest, top up if it performs.
3. Seeding objections under a product post
Write 10–20 custom comments that raise the questions your buyers actually have — sizing, shipping, ingredients, compatibility — then answer them as the brand. The comment section becomes a public FAQ that every future visitor sees, and the objections are handled before they become a reason not to buy.
4. Onboarding a new client account (agencies)
A brand-new or dormant client account looks abandoned. A baseline of activity on the first few posts — modest, varied, spread out — buys time while organic engagement builds, so the account does not look dead to the first people a campaign brings to it.
5. Seeding a contest or UGC call
A "tag a friend" or "comment to enter" post needs the first entries to look real before strangers will join in. A handful of natural-sounding entries lowers the activation barrier for genuine participants.
Each has a specific post, a specific moment, and a specific job for the comments. When you cannot name all three, it is probably not worth spending.
FAQ
Q Which of these has the best return?
Warming ad creatives — the comments cost little next to the media spend and act on cold, expensive traffic.
Q How much for a launch post?
15–30 in the first hour, then scale toward 1–3% of total views if it performs.
Q Can one order cover several posts?
No — orders are per post. Spread a budget across your important posts rather than piling it on one.
Q Do I need custom text for these?
For objection-seeding and contests, yes. For ad-warming and launches, auto-written is usually fine.