No, that's not the answer. It only applies to those people who have time and energy to spare to do that reasearch. I'm not talking just farming equipment, but ordinary items such as a vacuum cleaner or printer.

If you're low income, work 2 jobs, single parent, get home at 23:00 broken tired, want a meal but your fridge just broke down and everything is spoiled inside, you don't spend 2 more hours doing reasearch. You clean it, go to bed hungry, call repair in the morning (optional, if your hopes are high), and when they tell you it's not repairable, you get the first new fridge you can afford in a 10 min online search while on the bus/train/tram being late to work.

Reasearch, self-repair, is for wealthy people.