Should they be made into a small common area that the main unit also has access to?

The rent growth rate is assumed to be 2%, which is a common growth rate, and the inflation rate is 5%.

Are there common roofs?  

The project is 300+ lot RV park that is located outside of the city limits of Addis at the intersection of Hwy.1148 and Charles Ory Road (about two miles from Dow Chemical on the West Baton Rouge side of the West Baton Rouge/Iberville Parish line).

Some lenders might accept Airbnb/VRBO income reports or bank statements showing rental deposits, but this is less common.

Be careful with Camden and Mercer counties, these are commonly found on lists of most at-risk markets in NJ relative to price corrections. 

It's also common to encounter retail branch employees who are  not familiar with  the entities and various ownership structures real estate investors utilize since they are normally opening personal bank accounts.

Real estate investing is forgiving; the average person can still make money even with some big mistakes.Software is a common question on BiggerPockets.

If you have a $30,000 loss (very common) I don't think a $2,500 difference is going to change whether or not you'll file a claim.  

It’s common to run into unexpected problems that push your costs way above what you planned, which could turn your profitable flip into a financial headache.And don't forget about taxes!