This may or may not fit into the OP's intention but some of my favorite physical achievements are repairs that might be impressive for a random suburban dad :) 1. Two years ago our basement flooded a week after we bought the house. I ended up tearing out the now-saturated carpet and put in vinyl plank flooring. Mainly straight forward but requires planning and at some points tricky sawing. It's cool when people come…
When you own a home and have the time, there are some tasks that will save you a bunch because they are labor intensive but material costs are low. Also if you live in an area where people hire everything out you'll find shortages of contractors and high prices.