Well at least it is just a dollar. Some charge a lot more for stuff like this.
That is indeed true. I've seen some hefty amounts put on such things, and did not want to go that route. So, I made it a very small, very reasonable amount. Something like you'd see on patreon. And even then, this was a rather difficult decision to make. I am also gonna try and make a fair balance out of it, so you may find some updates won't even cost anything, such as patches of sorts.
As I mentioned, Me and Tentacle God are taking very careful steps through this process, and will be as open as possible, additionally. We just hope everyone will enjoy what we have to offer when each bit of the game is out.