Tile because it is less likely to stain and if it does get marked it easier to clean.
Installation instructions come with tankless water heater, but would recommend someone experienced enough to install.
I would not recommend it. It will not bond properly. You will have to install an appropriate sub-floor, then install the tile on that
I would recommend installing adblock, yes.
Installing hard wood floors can be extremely tedious. I would recommend having someone install them for you.
I would recommend to go to the Hospital; if not an option or possibility drink as much water you can with a strong pain killer as, let's say Motrin.
I would not recommend that you try. A block heater is preferred.
There are various mod installers available, I would recommend MCPatcherMost mods come with an installer to install that specific mod
Yes if it floats. Does Marble float in water? If not then the answer is no.
easiest way is to core drill and use pour stone to cement it.
AT&T will come and install Internet for small businesses. There is a support center that can help answer any of your questions. I would recommend calling to ask if they would train your staff.
Your best bet would be to get points in the pokethlon and exchange them for a water stone at the exchange counter farthest to the right.
I doubt the gas company will install a water heater. Too much liability.