I got a HF drill press for around $50 close to 20 years ago. Still works nicely.Look at these from Harbor Fright. I have one of the bigger bench top models that is maybe 6 years old.
Nope, but if I had a computer back then, and they had plans like that on the web, I might well have. But I had sold my Shopsmith and had money, so got a HF drill press for around $50, and have never regretted it. But if I thought I wanted another drill press, but didn't want to spend money, then I'd make one in a heartbeat. I'd google the whey out of plans first, then make one my way. I say give it a shot, won't cost you anything except time and a bit of wood, and you can get pallets for free. Then if it works, great, and if not, then maybe you can correct what isn't doing so great. Plenty of free plans out there, way, way, back, a lot of people made their own tools, simply because they couldn't afford to buy them - table saws, lathes, drill presses, and so on. And they worked.