I don't get why you're being downvoted, because that's an excellent question: I do that all the time: I'm using F-Droid more often than the Play Store. Actually

I don't get why you're being downvoted, because that's an excellent question: I do that all the time: I'm using F-Droid more often than the Play Store. Actually, I haven't ever used the Play Store on my second smartphone (it requires a Google Account and I don't want to link it to a Google identity) — I've tens of apps on it.