The bank quoted me a total package 10k. 

$12.5k - vanguard total stock market index fund$12.5k - keep in cash $25k - downpayment on sfh

I have signed up for some webinars (the time difference is crazy, the first one was at 3:30 am) totally worth it!

Should I be refinancing to just cover my total project costs to pay back my heloc and other initial costs? 

It's totally ok to interview and work with several and use one or two when the time comes.Oh, and when it comes time to refinance here's some things to ask your permanent financing:Questions for Lenders When do you start using rental income to help me qualify?

Normal business hours are usually a safe bet, so if you present the tenant with a written (I would also send an email if possible, never rely on one form of communication) date and time block that you will be entering to show the property there is little they can do to dispute your actions.Always remember that they can always take to civil court and being a landlord/property manager is one of the most litigious careers in the country, so make sure to document the process each step of the way to best protect yourself and your assets.

Total NOI is about $70k/yr with a 7.5% cap rate and a purchase price of $970k for the park and $280k for the homes with a total purchase price of $1,250,000.

@Eric Adobo my other thought would be to roll the funds into a duplex, I could get one for about $300k, and both sides would rent for a total of ~$2,600.  

I'm the guy with ways to keep homeowners in their homes, but I also come up with ways to get the homeowners out of a property gracefully to try to avoid foreclosure and total loss for them.

I BET IT IS!