They both were purchased around the $150k mark and are bringing in about $1350 in rent.

Initially the profit was not that much higher on the STR than if it were a LTR and we had periods (including the Great Recession) were we converted back to LTR during the school year and only STR during the summer.Today the STRs are virtually 100% occupied year round and bring in significantly more than they would as LTRs. 

You want a bank to take you serious look up what banks need to service a loan and have it all neat in a binder or folder prior to talking to them and bring it all in with you.

If you get to know some local private lenders and bring them into a few deals that turn out well you might be able to arrange something like that.

Are you planning to buy a lot off an existing tract or are you planning to build somewhere where you would need to bring in main utilities. 

For this property to cash flow I need to get about $100 more per unit per month, which would bring them current with the market standard of the area.

It would also be advisable to bring a projected P&L statement to share with the lender so they have a good idea of how the asset will perform.

Renters are also not permitted to bring guests to the pool.  

High returns and high caps bring high risk.

yes good point, i'll use the lease comment that outside has to be kept out for the parking issue. i'll bring up the trailer issue as well as you suggested.