I think you may want to try out your plan first to know whether it works. If it fails, you learn something. Then Steam's new algorithm is making it worse for indies.
Btw, you will get back the 100 dollars once you reached $1000 in sales on Steam.
Viewing post in Indie games, itch & Steam
nope that is a myth, many developers do not get their games sold and sometimes they don't get people to see the game. This explains it: https://www.pcgamer.com/a-steam-bug-has-reportedly-halved-the-revenue-of-some-in...
https://www.gamasutra.com/view/news/332038/Devs_say_a_problem_with_the_Steam_alg...