For the most part I built mine all except for the major soldering. I don't trust myself with that. I have a friend that works on cnc machines, is excellent in electronics. Are there machines to build without alot of soldering or none at all?
Once you get the knack so as to do excellent soldering, you will never trust anyone else to do it for you...... and it is not that difficult....... but do the early practice soldering of items constrained to ground level. I started out a very long time ago soldering Heathkit semi-kits such as stereos and sonar packages then moved up to soldering a BlueMax 4 channel RC radio system (called a semi-kit) including the servos.......