This is my first 3D printer. I didn't know much about them. What I did know was that I wanted a reasonable size print area and a heated print plate. After looking around and reading reviews, I purchased the QIDI Tech 1 (I believe the latest is called the Tech 1 Pro with some additional features). It was very reasonably priced, and can print pretty good sized pieces. There is definitely a learning curve to getting good prints, but I think that is the same with any printer. It has been pretty reliable. I have replaced the nozzles a couple of times, and had to replace a wire harness that wore down (moving parts take their toll). However, I now have approximately 2000 hours on the printer and going strong.
Hope this helps.