RE: Lock Bumping--I spent about $100 for a Medico deadbolt. The newest generation is as close as you can get to 'bump proof'. Some claim to be able to do it, but only after having access to a high quality scan of the key first. Blank keys for this kind of lock are useless.
You talking about your wife recovering from surgery while at home reminds me of this terrifying video of a break in. The woman had no real defense and the cops took way too long to get there. She was at the guys complete mercy: