Install new grout and seal.

He’s a smart guy and has developed a very interesting business model.He works with property owners by ground leasing a portion of their property, installs a modular ADU there at no cost to the property owner, and then rents it out.

Has anyone ever installed drain tile themselves.

., the real estate transaction involves "a mortgage, deed of trust, purchase money security interest arising under an installment sales contract, or equivalent consensual security interest . . . upon which four or fewer residential dwelling units are planned or situated, including but not limited to individual units or condominiums and cooperatives.

Since the wiring is on top of the current plaster I need to either run the wire inside the plaster wall before drywalling (preferred) or just have the surface wire re-installed after the drywall is installed.Any ideas of approximate costs for running existing wiring inside plaster? 

Hi Rebecca,There are plumber installable devices known as sewer backflow prevention devices.You might want to talk to a plumber and see if installing one (or more) of these might help keep this from happening in the future.Here is a good demonstration of large one for the main discharge line: https://www.youtube.com/watch?

I bought some (shop carefully) that I was sure was up to code and installed on my bath window.

I was talking with someone in the northeast and they said an AC was $15,000 installed.  

I installed a new furnace and was worried that he was going to ask if i pulled a permit, luckily he did not.

For example, I just installed Home Depot light fixtures at a home I'm going to list next week for $1.3M, but we spent a ton of money in the master bath and kitchen, where it matters.