BTW, I had a house built in 2013, guess who designed it, wired it, installed the boiler, ran the tubing, hot water heater, kitchen etc. It's a pretty cheap proposition when someone else can dig the basement, build the blocks, frame, roof, sidings, windows, insulation, drywall and you take it from there, now once again, your expertise is what?
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I leave this world with no regrets