Doesn't even need to go as far as using power tools. Every lock I've been unable to pick (usually due to the fact that it's a pile of rust) has been susceptibl

Doesn't even need to go as far as using power tools. Every lock I've been unable to pick (usually due to the fact that it's a pile of rust) has been susceptible to bolt-cutters. Big lock? Bigger cutters. Still cheaper than an angle-grinder.