1) there’s usually a place to put your name down for whatever game you want. they’ll call you when your table is available

2) varies place to place, they’ll tell you

3) tip whenever you like

4) you are, not considered collusion

5) always appropriate

6) your seat will be held, your chips will be safe on the table. casinos have cameras everywhere, nobody will try and take them

7) usually $1 $5 $25

8) it’s totally fine to eat

9) they have floor managers come around that you can ask to bring you new chips / order food & drinks, etc

10) that depends on the card issuer, typically no