Drywall would be expensive to replace constantly, both in time and money. There are many steps involved that each require a significant amount of time for drying and curing. The material involved would add up, including needing to constantly repaint the new drywall.
It depends on how often the bulbs are used. Tanning bulbs last a lot longer when they are not constantly on. Tanning beds in general are expensive to maintain. You will have a high electric bill and bulbs are expensive.
Gypsum
Very expensive
continually regularly,continually
Yes. The part usually isn't expensive. Its the labor that is expensive
No it isn't very expensive to replace the wiper blades. It is anywhere from 8-20 dollars.
no
No it is not very expensive. It is about $50 but it lasts forever. You will not need to replace it a lot
Gypsum (number 2 on the Moh's Hardness Scale)
The regulator is part of the engine computer. It is expensive and has some important steps involved to replace.
No, it will not damage them, but may be impossible to erase or remove from drywall.
They are expensive to replace.