Well I am sailing instructor and there are lots of us around the wold. We know sailing. If u need to no more about sailing ask me.
No
Sailing Ships need frequent painting because the air in the sea is salty so it will rust
Nowadays mainly for pleasure.
If you are sailing within the US, no.
Whatever you wish to know. Unless you are involved with sailing then you do not need to know anything.
waterproof clothing may be advisable. I think
flag, seat, sailing boot, and poles
sailing skills
Do you mean "Para-sailing" or "Parallel sailing"?
Cross sailing is sailing towards the wind.
There is no minimum size. Just common sense