Once you are involved and in the thick of it, the truth will show itself.

Lesson learned I guess... how thick of a layer do you typically go with?

You also need to have thick skin and be prepared for the fact that some people you would expect to send you referrals, just wont.So pick at least 100 people in your sphere.

There are also soap dishes next to the bath tubs.Now here is a picture of a broken one.These are not glued on or screwed on, there is a ceramic protrusion in the back about 3/4" thick, and it's set into the wall with thick set mortar. 

Any feed back would be great and lay it on thick I can take a beating if I deserve one. 

Any possible pitfalls that aren't common sense or not figured out until in the thick of it.

It's usually just a certain thickness of Sheetrock.

Gotta have a thick skin in this game!

If there were 8 layers of asphalt shingle it would be 4-6 inches thick and you could see that from the ground.

You might to  Gome Depot laminate flooring or use a good, thick vinyl flooring.