homeschoolin, I always prefer doing the job myself as I know it's done right. Like others on the forum have stated, in a shop of any kind this is considered grunt work and the least experienced person ends up with the job.
Maybe you could place a offer on Craigslist to pay some one to teach and guide you on the first side. Maybe a offer to help some one do their trailer in exchange for the learning experience. Explain that you want to clean, inspect and repack the bearings, inspect and adjust the brakes. This requires a new grease seal on the back side of the hub. A $100 spent learning can save you a lot later and maybe even keep you from being broke down along side of the road.
On my old TT, I once found the entire brake assembly on sale for $30 @. New baker plate, magnets and the shoes already in place. It was as simple as removing 4 nuts, cutting 2 wires and reversing the order for installation. I will always do a lot of checking before doing a brake job.
On the road at every rest stop I check the temp of each hub. I'm looking for any large variation in the temps not so much the actual temp. I have a small key FOB size temp sensor that I picked up on sale at Harbor Freight for under $10, it's perfectly adequate for the job.
