Facebook boost post,on a rule, not a reminder.

A boosted post is an ad built from something you already published organically on your Page. Meta's Boost Post button creates it with a stripped-down targeting form and its own small campaign. Post Boosts in uplads does the same thing the other way round: the ad lands in an Engagement campaign and ad set you built yourself, so the boost inherits your targeting, your bidding and your naming rather than Meta's defaults.

Yes, and it is not the default. A new rule is created switched off and set to ask first, so every detected post lands in a list and waits for a human. Switch the rule to boost automatically and the next detected post becomes an ad on its own. Ask first is the default on purpose: nobody should inherit an automation that spends the moment it is saved.

Every 3, 6, 12 or 24 hours, picked per rule. Detection is not live, so a post published just after a check waits for the next one. Only published organic posts count; dark posts that exist purely as ad creative are ignored. The very first check of a new rule boosts nothing at all: it records what is already on the Page or profile, so switching a rule on against four years of posts cannot turn all of them into ads.

Two separate controls. The budget is what the rule gives whatever it creates, either per day or once for the whole run. The cap per post is the total one boosted post may reach before its ad is switched off. Spend is read on every check rather than continuously, so a cap can overshoot a little before the switch-off lands. Both amounts are in the ad account's own currency.

Yes. One rule watches up to ten sources, and the sources belong to one platform because one rule belongs to one ad account. On Facebook the ad is the organic post itself. On Instagram the ad is built from the existing post through the same form Ads Manager uses for Use existing post, with no file downloaded or uploaded again, and a Reel takes the same path as a feed post. On TikTok it becomes a Spark ad that runs on the original video.

By default the new ad goes live first and the previous boost is switched off afterwards, so a standing ad set never runs empty for part of a day. You can also keep several boosts running at once and let the oldest ones drop off as new posts arrive, or switch the pause behaviour off entirely and let every boost run out its own time and cap. Deleting a rule stops the watching but does not switch off the ads it already created.

When the post needs its own copy: a boost runs the post as published, so a different hook or a link in the primary text is a launch, not a boost. When only a few posts deserve budget: keep the rule on ask first, or boost by hand. When you want per-placement creative variants, which is multi-placement work. And for one post a month from a phone, Meta's own Boost Post button is fine.

Post Boosts sits with scheduled launches and automated rules, which start on Growth at 199 EUR per month and are also on Agency at 499 EUR per month. Starter at 69 EUR per month does not include them. TikTok as a network also starts on Growth. Extra ad account slots cost 39 EUR per month each. Every plan opens with a 7-day free trial on Growth limits, so you can build a rule and watch one boost run before deciding.