You generally have to cut a hole in the wall behind it.
Most are no different from regular house faucets. Certainly everything in Mobile and modular homes plumbing is just the same.
yes it is other wise u would have a huge mess.
The national retailers Lowe's and Home Depot offers claw foot tub faucets for sale. The web sites Amazon, eBay, Vintage Tub, and Faucet Direct also offer these faucets for purchase.
Yes
yes
Rom tub faucets can be found at your local Home Depot. Another well known home improvement store that sell them is Rona. Some lesser known companies that sell Roman faucets are Delta Faucet and Faucet Warehouse.
A tub faucet acts as a shower and can be used to bath in the bath tub. It is a pressure valve which makes the flow of water through it constant and gives a nice shower.
Faucet side.
Most of them are in the wall. The other would be a deck mount, which is mounted to the fiberglass tub deck and uses a Roman Tub Faucet.
It depends on the make of the faucets.
Only custon coach builders will install tub shower garden tub combos as they are not standard.
A Roman tub faucet does have good water pressure because it is made to do that. How good this is depends on how other brands perform in this area.