If you have money and little time and patience, Bambu labs p1 or x1 series is one of the easiest to set up out of the box, and you can get or add on the AMS (automatic material system) which makes it easier to do multicolor printing. (US $700+)
If you have little money and more time and patience, Creality Enders are a good basic introduction to all the nuances, pains and heartaches of 3d printing but will give you a better idea of fundamentals. ($100-300) Expect to lay out another $100 for filament, upgraded bed and other small parts like bed springs.
Don't buy a used machine as a starter because you'll just be taking on someone else's headache, but once experienced you can find some craigslist and offerup deals for spare parts or a small print farm, occasional like new "used twice" $50 printers.
If you have little money and more time and patience, Creality Enders are a good basic introduction to all the nuances, pains and heartaches of 3d printing but will give you a better idea of fundamentals. ($100-300) Expect to lay out another $100 for filament, upgraded bed and other small parts like bed springs.
Don't buy a used machine as a starter because you'll just be taking on someone else's headache, but once experienced you can find some craigslist and offerup deals for spare parts or a small print farm, occasional like new "used twice" $50 printers.