I am endlessly grateful to Google, forums, and YouTube. They have saved us so much money! In the last 24 hours:
We thought our dishwasher in our new house was worthless. Kept throwing gunk into the glasses, and often there would be things that looked like they hadn't been cleaned at all. I went online to research dishwashers and ran into a discussion ona forum about filters. As lifelong renters before now, I had no idea dishwashers had removeable filters! Ours was full of nasty, grey, stringy slime. I scrubbed them out, and suddenly our dishwasher is doing a great job. I can even run it on the hour cycle!
Today our computer started rebooting itself endlessly. I typed in the error message, found a tech forum with people with the same problem, unplugged the USB connector which was apparently going bad, and problem solved! We built the computer, so I was aware of what I was looking at, but this was a new issue for me. Definitely saved money on having to use a computer repairman!