I've just been through this same struggle.
the scope market for a simple, "regular" scope sucks right now.
Used leupold scopes are NOT a deal on ebay. Used leupold scopes are selling for MORE than new leupold scopes. Because there are a ton of people apparently who want the simpler reticles, who now have to shop on the used market, because manufacturers no longer sell simple scopes. Same deal with the Burris compact scopes. You will not get one for under $100 or even $200. The old used Leupolds are $300 - $500.
As far as weavers or other scopes on ebay - Huge gamble. I've bought a few, and you MIGHT get lucky and get something usable, or you might (more likely) get a turd. Also, you might get lucky and buy from a seller that actually uses at least one square of bubblewrap or like me you might find sellers that toss a scope in a box with some super hard scratchy crumpled up brown paper. I can't say I can recommend ebay. Unless you have a gambling addiction and need a new outlet for it.
As far as cheaper scopes go. I have had good luck with KonusPro scopes. I've had three of them and they've all been good. I've had one on a blackpowder rifle for a dozen years and it's still as good as new. I had a 4x on a .22 henry rifle that I sold. and I just bought a new 1.5-5x konuspro.
Here's a simple 4x KonusPro scope. This is like the one I had on a .22 henry. It's pretty compact, so it won't look weird on your little rifle.
https://www.amazon.com/dp/B001DX7Q5K/?c ... dp_it&th=1
I'd for sure rank konuspro over the other 'cheap' chinese scopes, like truglo, etc.