[Q]: Objective: What is the best kind of hot glue gun to buy?
[A]: Find a hot glue gun that is large enough to hold a decent amount of glue because book binding requires a lot of glue.

[Q]: Objective: To prevent soap scum in the shower,
[A]: scrub the shower walls at least twice a week with a scrub sponge and soap scum remover.

[Q]: Objective: To prevent trash from falling through a bag and into your trash can,
[A]: double bag your trash can before putting trash in it.

[Q]: Objective: box cutter
[A]:
can be used with nails as crude weaponry.