What kind of jams are you getting?
I've found the 10-22 to be straightforward to work on and mechanically straightforward if you don't mind getting your hands dirty. I look after two for my Club, which take a hammering.
Probably no better or worse than any similarly priced scope from ebay/amazon etc. All made in China to a budget and the more you pay, the better spec you get.
For an honest Chinese scope in that budget try Fox Firearms. They have a reputation of being spot-on-the-money.
For reviews, both...
Yes and they are often done at the same time.
I've just completed my first bedding job, a Howa 308 into a Boyds laminate stock. I did it after the stock screws came slightly loose, affecting accuracy; when i tightened up the screws to the recommended torque, I noticed that the stock was bending...
Try this review of 14 of the most common single-stage presses. In particular have a look at the data he produced showing the quality of the ammo each press produced.