YouTube has saved me hundreds in refrigerator repairs.
Now that I am mostly retired, I'm willing to try a lot of things because I have the time to putter around with them. Since I still do a little bit of consulting, I know what my "per hour" rate is so I can judge that against the amount of time and effort to get someone out to do things for us.
I still find that, despite having a decent bike workshop in the garage, I still take my FS to Bicycle House for anything suspension related. Or anything requiring me to remove the crankset because a.) it is impossible to get off even with a breaker bar and b.) DUB sucks. My next bike will definitely not have a press fit bottom bracket, that is the devil.