I know what you are going through because it's taken me a few years to get there myself . . .
Here's my first set up which I built with pvc piping and it was so hug because I wanted to be able to photograph my dioramas . . . of course, it ended up being too bulky and in the way . . .
Then I moved on to this one, a bit more portable:
Then I moved on to this one, but needed more light:
Finally, I got plenty of lights . . . and so the system became totally reliable time and again . . .
The trick is to keep experimenting . . . phototaking is about having fun too, and getting good results, not about stressing out.