Manual labor work. I think in the US this is achievable although maybe not exactly easy.

Mowing lawns, gardening, shoveling snow, cleaning, odd jobs, etc... It does depend on your location but this is still a fairly common thing in some places. Knock on doors ask people if they need work. Point out things that they could use help with weeding trimming mowing all of that.

But if you take an average of $40 a job spreading that over 7 days that's 3.6 jobs a day. If you can do an average of 12 hours of work a day it'll be at your $1,000.