IMO suspension is one of the areas you should be most cautious about cutting corners.
A midrange Suntour is pretty much the best value out there. I’d make sure to get one of their spring backed IFP models (like the Auron or Durolux), but pretty much anything above the XC32 level is going to hugely outperform any of those generic forks and be much more reliable/safer out on the trail.
With a lot of those other forks, if you blow them out — and it’s a distinct possibility that you will — that’s pretty much all she wrote. The vast majority of LBSes can’t or won’t work on them.