sneak around looking where they shouldnt

Show up. (the others will be kind enough to stay away)

Overstay their welcome?

Leave the lid of the toilet open while flushing. Ugh.

Use your loo. Look in your medicine cabinet.

No eat enough food.

cocaine

Talk too loudly.
On the other hand I wouldn't invite more than 2 people to my house let alone 30.

Argue about politics.

Stay overnight

Leave a half empty beverage.

Show up late.

Look in my medicine cabinet.
Track dirt into the house-wear their shoes inside.
Spill something.
Express some political or religious viewpoint that I don't want to debate.
Pee on my toilet seat???

Not show up.

Not respond

Spill food and drinks on the white carpet

Gossip

Leave the toilet seat up

Fart/belch?

Have sex in your bedroom? 😧

Touch my stuff

pee in the palm

Fart in my bedroom

flush the dam toilet

Masturbate in my kitchen. Of all places.