You may need to rehab just one unit, rent it out, then save up some money and rehab the next one.

Assuming you sell for $300k, of which $100k goes to pay off your debt, you could use the remaining $200k in equity for down payments of approx $25k each (25% down can get you better interest rates), giving you 8 cash flow properties which would be paid for by tenants by the time you really need the income (retirement) and provide moderate rental income in the meantime.You'd have to be able and willing to take on that much debt, of course, (so your debt-to-income ratio, annual income, credit score, etc will all impact this).

Auctioned properties seem to be funny things and not everyone does title for them.Then I sat on my hands for a month, paid for the property with cash (money came from various sources, including savings), and then tried to clean up the property.Then I gave up on cleaning it myself and looked to have someone else clean it.

Spencer Savings Bank has a commercial lending arm that underwrites these types of loans in NJ.  

If the park is a dump there is no point in trying to upgrade with existing dump rats.To really increase value consider a adult only community or retirement.

I have roughly a little more than $3000 in savings, and looking to snowball some secure loans / cards to boost my credit.

Typically, employer sponsored plans can not be rolled over until you are either no longer working for this employer or reach a retirement age.To find out for sure contact your employer (or plan administrator) and inquire with them if they allow for "in-service distribution". 

A little background, i am 21 years old, i have 23k saved so far,I have my real estate license here in California but have not worked for any brokerage.

For example, you might find that the $900,000 the seller needs is just to cover his mortgage so he can cut the properties loose and move to retirement.

Also, groups of people from south Texas are use to cramming as many people as possible into the space available in order to save money.