Right now DH is installing the heating element for our Samsung dryer. It's 5 years old and this is the second time it's failed (seems common, from what we've read).
The first time, a mere two years ago, we hired someone to fix it (at a cost $180, including the part). I watched and thought "that doesn't look so hard". DH watched and though "glad I don't have to do that". Well, grousing aside, he's doing it.
The part was <$20 on Amazon. We ordered two because a) that gave us free Sunday delivery, and b) the damn thing's gonna break again in a couple years anyway...
My part in this was research (finding youtube videos on how to take apart the dryer), keeping track of the screws, ordering the part, and cleaning up behind the dryer. He did all the crawling, thank goodness!