Background: I'm a full time Dad and I don't have the availability to actually go to a gym. That being said: I inherited a treadmill and have been doing sit-ups and push-ups with my runs every day.

I had a few dollars freed up and I want to begin investing in weights. Space isn't an issue, but I'm trying to figure out if I should buy some pairs of the smaller hand weights or a bench with a bar and some weights. If I go with the bench I'll probably have to Craigslist it, but I've seen plenty of people selling them on the regular. I'm leaning towards the handheld weights, it looks like I can better integrate them with other exercises but I figured I'd check here first.