Common requirements are that there home has to have functioning roof and walls, utilities, toilets, etc.  

Take if all for the price you are paying.I think mentoring groups tend to be a waste of money unless it is a reasonable fee like under $4k for the year.

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.

No sense in wasting time. 

They can't see how much work you did behind the walls with framing, quality insulation, updated electrical, super quality craftsmanship on the plumbing.. it matters that you have updated mechanicals and they will quantify it but... what really matters is the quality if your finishing work. 

Running numbers and seller financing prophecies before you see it or find out the details through your agent to their agent is a waste of your time.

That's a waste of money for a ranch.

Adding new flooring in both the living room and kitchen, redoing the whole bathroom, repainted the walls as well in the house.

Tenant ObligationsOne advantage of investing in retail properties is that tenants are typically responsible for their leased premises, and the landlord handles everything outside of the tenant’s walls, typically including the roof and structure.

If you have six tenants paying $500 and have to manually determine who paid each month, that's a lot of wasted time.