My firm also likes to experiment with different materials and construction techniques, green building methods, and inexpensive/alternative methods of construction, although most of this work is never built since our investor clients want to stick to tried-and-true methods (and we don't blame them for that).

My Loan includes renovations so it might be wise for me to try to get another withdrawal of funds to at least buy materials.

Try following up by searching the Internet for their phone number and giving them a call.

The resilient channels should have worked unless the drywall screw when thru the channels and into the backup material.   

Beware that there are many crooks on the Internet trying to sell you on your emotions.  

I was considering purchasing this service, and I was wondering if anyone liked it, or if the service and/ or Cameron Dunlap, the owner of the service, has a good reputation because I couldn't find much on the internet that wasn't obviously one of his websites. thanks.

It is usually the cheapest asbestos containing material to be removed.

The last few years I have been filing the taxes myself but now that I have bought a fourplex in Phoenix and a truck to help transporting materials from Lowe's and Home Depot to the property I think I should hire an accountant.

You don't have to use a local one if you don't mind an over the phone/internet relationship there are several on bigger pockets. 

Common pitfalls are poor underwriting, poor risk assessment, being over zealous, sacrificing prudent lending practice to gain an edge on competitors, no take-out for you loans, lack of available capital, over-promising borrowers and not delivering, improper loan documents or the absence of material docs.