you can get a non commercial fusion 360 license for free, although it takes time to learn the program
I‘m not sure the costs on 3d printers in the UK, I’ve got a prusa mk3+, and it has close to 1400 print hours on it without any issues.
there Are cheap printers out there, but from what I’ve read during my research is the cheaper Chinese clones have quite a few issues, which is fine if it’s your hobby, but I needed a realisable workhourse