So I recently started leather working about a year ago, after watching hours of various Youtube videos, I went up to Le Prevo to buy some simple supplies and took off from there (My best work to date is attached). At the moment I hand stitch with sewia 3 mm and 4 mm stitching chisels but am interested in sewing machine options, and whether getting one is realistic or not. I live in northern England in a terraced house in a medium to large bedroom, so must be fairly quiet. I'm hoping to go to a local art collage, where i can progress with this hobby and potentially turn it into some sort of business later on?! Also cost is of course a large factor, even though a machine may not be viable now some information and options would be really nice to think through and dwell on.
I would like to be able to sew veg-tan as thin as 1 mm (for wallets and such things) up to about 6/7 mm (for bags and many other projects). Now i'm not sure if that is realistic from 1 machine but i'm hopeful. A cylinder arm is a must and a flat bed attachment would be nice but not crucial (I could always make something). Something beginner friendly as I have close to 0 experience with sewing machines, and something fairly quiet.
I've found a few options that i think may suit what i'm after:
Cowboy 341
Cowboy 227r
Techsew 2750
PFAFF 335 (Might not work with the thicker end of what i want to work with)
TEXI HD FORTE CILINDRO
adler 69 (available nearby 1 hr drive, used for £1200 https://www.castlesewing.co.uk/product/adler-69-cylinder-arm-walking-foot/)
Any help or guidance would be really appreciated. Thank you!