Is it cheap" That is a lot of work you will be doing.
And FYI lots of times they say fuel problem or just needs a starter it is actually a trashed engine.
Definitely Maybe... You need to check the engine compression on both engines. So if you're serious then you need to go look at it and bring a good battery and compression tester and check both engines. Take some pictures too and list them with the compression results. Are you in a titling state? Does he have the title or titles? I hope it comes with a decent trailer... With a title.