He always supports and gives you the right advice.

If you want the tenant responsible for the appliances then have them supply them BUT this only works if your market supports it.

Your prequalification in this scenario is very important to detect if you can support a HELOC payment or not. 

If you have enough market data to support your income projections you should be good to go.Lenders don't like Airbnb's much though so maybe you can pitch it to them as a rental?

Also - is it appropriate to add a contingency related to this in an offer - specifically something like "earnest money will be returned if property soil is not found suitable to support 15 RV pads" sort of thing? 

YUP  to support our charity I rent my time out for phone consultations. 

The guy that called actually worked for the institute that marketed the Carleton Sheets program & described how this place was much different as they provide more support.

I wouldn't bother with any others.You might also consider a mid term rental if the area supports it.

As long as the appraisal will support it, you can get it refinanced.

An additional benefit of a detailed engineering-based Cost Segregation Study is that it can increase potential insurance premium savings as well as provide support for the property tax appeals process.