It has been said many times before on this forum. The b22 is a hard first time build. The attention to the details will make experienced builders scratch their head many times over.
I like many say you should start off with a smaller project. Any of the Millett's are a great start.
Do you have the tools to do the work?
Like, Soldering iron, de-solder wick, solder, tweezers, clamps, DMM just to name a few.
If you decide to go on. Good luck. This...