Knowing what works where, what types of soils and rock work best together.

That will require removal of the plywood, which opens you to more repairs as you see what is underneath.

Hello all,I am currently rehabbing a duplex and today I removed the layers upon layers of flooring in the kitchen (8 different floors, kinda cool tbh) to find pretty decent hardwood flooring underneath.

Sorry I could keep going as this is What I Have do for 30 years This is My current field of work.With out seeing the property or knowing all Linear feet of all materials and depth of utilities and soil conditions, equipment and personnel, import/Export, Subs, just to spit ball a price is not possible.there are so many more things that are involved with what your asking for.  

Most people have a love hate relationship with them as they are famous for telling you that you have an asset under agreement then pull the wool out from underneath you and sell it to someone else.

Yes I was actually thinking about tearing the house down, and placing 4 homes on the property, but I really want to knock this deal out the park and finally get my first BRRRR underneath my belt.

They do work hard for the money, but they know the tricks on how to do the job and not do it all.Great example, yesterday the appliances came in for a tri plex and I had to sign off and the installers hid the stove earthquake support underneath the  paperwork ( warranties).   

Just to keep you from running down the wrong trail here.Environmental engineers do some tangentially related work to wetlands, but primarily focus on waste management, water management, soils/erosion management, public health (water/sewers), and environmental protections.

You must trench and then refill with virgin soil. 

The guns the inspectors use look underneath multiple layers of paint when they perform their inspections.