Throwaway account. In the US city I live in, garage theft is a rampant problem. I’ve moved to a new apartment with my own garage unit. I want to make sure I am being as safe as reasonably possible to protect my valuables (bikes, tools, etc.).

See a description of the current set up below. How can I improve this to stay safer?

1. The unit has a genie garage door opener with a key pad on the outside. From what I understand, this is not hackable (see genie site). I do not have any external garage door remote controls.
2. There is an emergency release cord which I’ve rolled up and taped so it’s not easily grabble by a coat hanger. I am waiting for one of these cord shields to come in the mail for a bit of extra protection.
3. There is one deadbolt on one side of the garage door. I plan to lock this at night or when Im gone for extended periods.

Regarding the deadbolt, some questions…

1. does it make sense to have an additional deadbolt on the other side? Or multiple?
2. If I have this deadbolt in place and try to open the garage door with the keypad, will that destroy the door/railing? Or should the garage door know something is obstructing it and begin to close (too afraid to try for obvious reasons). I am worried about possibly forgetting if I’ve closed the deadbolt or not.

Thanks for the thoughts / questions!