Everyone else has good advice, so repeating it seems silly (though definitely ditch the biceps curls in favor of incline pushups).
Re: benches -- do you have a coffee table, ottoman, etc? Sometimes those work. (I mention it because I was annoyed at myself for having had a coffee table the exact right height for months but never using it as a bench.)
Stumptuous has an All dumbbells workout that's pretty good.
If you are thinking you will stay working out at home, and have the up-front cash, it is cheaper in the long run to buy good adjustable dumbbells (at least up to 45lb each, not the 25lb kind), and you won't end up limiting yourself too horribly. This is what I did, and I'm still grateful to my years-ago self for it. I didn't have a car, so I carted them back by taxi, then took like four trips up the stairs to my apartment to get them there. It was funny, but so worth it. If you don't have the up-front cash, it's not that big a deal. Craigslist and second-hand fitness stores are good places to get inexpensive dumbbells.
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Re: benches -- do you have a coffee table, ottoman, etc? Sometimes those work. (I mention it because I was annoyed at myself for having had a coffee table the exact right height for months but never using it as a bench.)
Stumptuous has an All dumbbells workout that's pretty good.
If you are thinking you will stay working out at home, and have the up-front cash, it is cheaper in the long run to buy good adjustable dumbbells (at least up to 45lb each, not the 25lb kind), and you won't end up limiting yourself too horribly. This is what I did, and I'm still grateful to my years-ago self for it. I didn't have a car, so I carted them back by taxi, then took like four trips up the stairs to my apartment to get them there. It was funny, but so worth it. If you don't have the up-front cash, it's not that big a deal. Craigslist and second-hand fitness stores are good places to get inexpensive dumbbells.