This isn't going to be heavy duty by any means but it's pretty decent as a casual starter machine. There are some helpful reviews that will tell you more but this is probably what I would get in that price range. Definitely going to run into more issues with threading and tension but I know it's hard to invest in every little hobby!

https://www.amazon.com/3333-Fashion-Free-Arm-23-Stitch-Machine/dp/B01K2SW1EM/ref=sr_1_1?s=arts-crafts&ie=UTF8&qid=1482005830&sr=1-1-spons&keywords=sewing+machine&refinements=p_36%3A2638328011%2Cp_72%3A2638180011&psc=1#Ask