HUD only pays a portion and the monthly rental rate is established by HUD guidelines.

They also look for a good credit score ... so even if you prefer cash I'd get a credit card and pay it off in full every month to establish good credit history (and reap some good cash back or bonus point type rewards).

This can be done in a nice respectful way but it is important.  

I want them to know I'm an active landlord / owner and want them to respect my property and know I take great pride in what I do which is provide good housing.

Follow ups are key as the average person takes 3-5 touches before picking up the phone to respond.When you're getting started and planning out your campaign, there are two things that you should ask yourself that will help you determine your mailing quantity:1) Your budget2) Your ability to handle the callsIt might help you answer these questions if you had an idea on what to expect in respect to the response rates.

there are no real turn key companies out here on the west coast or basically west the Rockies.. reason is there just is not the housing supply as there is in the older more established areas of the country.There are turn key companies in EVERY major metro area... one common denominator ( and I have not read @Tom Ott link)  is that they are usually vertically integrated.

I began working with a Hard Money Lender to put me in a position to provide value (financing) to already established real estate investors.

Reporting - If you are raising capital from others who will benefit from the ownership of the park, establishing clear processes and timelines for reporting, distributions, and delivery of tax documents will be critical to providing a great experience to investors.

Partner with some other established investors to do some rehabs or give them a discount.

But they are establishing the nature of the relationship by making demands of you, pulling your into lease negotiations, and not paying the lease.