Romanian
Polish
Yugo
Nothing wrong with any of them, Yugo probably cheapest, then Romanian. Polish not so cheap but a little nicer. Prices are generally based on recent availability, not quality. The yugo is a fine rifle.
Chinese are really nice but very expensive (only because of the import ban, before that they were $300 all day long) ... chinese are for commercial export, whereas Romanian, Polish, and Yugo are generally kit builds from demilled issued rifles... well, except for the WASR which may or may not be from an issued parts kit. A romanian WASR converted to a folder will likely be the cheapest but it is also the least desired. Not because anything is wrong with it, but just that it lacks the mag well dimples and doesn't "look right". If you just want a shooter this means nothing, it's just as accurate and reliable as any other ak.
The yugo sounds like what you are looking for.