You could offer to split it 50/50 or have them pay, but I'd make sure it is professionally done and the vent is put in a good location. 

Go for higher quality properties in better locations as rental properties are priced for risk.

Location matters a great deal.

You are becoming distracted and diverting your time, energy and resources away from where it should be spent which is locating and acquiring good real estate and then managing it well. 

I would start with the Fair Market Rents (FMR) in the county where the property is located and use that as a basis to negotiate from there.Thanks Jaycee, are to referring to the HUD website? 

These were custom homes & when the subdivision grading was done we did not know the size of the homes nor their driveway locations.

I'm Christian Campos, a private money lender and real estate investor from Los Angeles, CA.Where are you located in California? 

If entities are disregarded, you can keep up with more than 1 in a single QBO account using the location/business feature to keep track of them separately.

CitaDAO focuses on commercial real estate, and their first building coming on-chain is a $20m property located at 56 Queen St, Cardiff, UK - a prime downtown area.On the other hand, RealT currently focuses on mostly residential in the US, with property values ranging from 50k to over $500k per property.

Location matters.