Canadian Tire has on sale a 3.6volt cordless screwdriver by JOBMATE in the shape of a pistol for $12.99. It has a 1/4" drive so you can attach you Lee lock stud and seat to it and now you have a power trimmer. RCBS sells their power trimmer for $350. that does the same thing.
Now that's doing it on a budget.
Now that's doing it on a budget.