Net attack on a Hunter’s Mark target with the sharpshooter feat could deal 1d6+10 dmg?

There are a ton of characters adventuring out there

Can an adventurer benefit from a long rest if they are in an area in which they passively take damage every hour?

Can I glue a bunch of wands of Magic Missile to a gauntlet as Mega Man Buster?

Are there a lot of stray cats, dogs, and other domestic pet type animals around the Forgotten Realms?