Time to bust a Fediverse myth: asking people to boost your post does NOT create any connections to your server.
If you want to build connections, follow other people and ask other people to follow you.
For more methods that actually work, I've done a guide on making your account and posts more visible:
➡️ https://fedi.tips/how-do-i-get-more-followers-on-mastodon-and-the-fediverse
I've also done a guide on all the things that help your server see more of the Fediverse:
➡️ https://fedi.tips/using-relays-to-quickly-expand-a-servers-view-of-the-fediverse