It's pretty easy to remove a stuck case yourself with stuff most of us have in the garage. You need just a couple of tools.
-Drill
-Drill bit
-Tap
-Bolt
-Socket
-2 washers
-Wrench
1- Drill a hole through the primer pocket.
2- Tap the hole you just drilled.
3- Install the die and stuck case back into your reloading press, and lock it down.
4- Place a socket over the stuck case. (It's important to pick a socket big enough for the case to be able to fit inside of)
5- Take your bolt (that matches the tap you made in the stuck case), and run it through your 2 washers. Then run it through your socket, and screw it into the stuck case.
6- Take your wrench and turn the bolt until the stuck case comes out.
It only takes a coulple of minutes, and is very effective.