This increase in sales tells us that more buyers are looking to call Miami home, and they’re willing to pay for the privilege.The median sale price has risen to $670,000, a 6.1% jump from last year.

You can take a look at its economic development site to learn more on it.

The LOI provides clear written and agreed terms to help prepare the contract.Sales Price, Due Diligence period, financing terms, Who is paying what fees, what you are requesting for due diligence (leases, financials, maintenance schedules, etc.), Hard or Refundable Earnest money & terms for that, broker representation, title company, attorney info, etc.Best wishes to you. 

Or buy AND pay for them - then sell them!

The problem Im facing is that my job doesn't pay much.

Then after establishing a company and establishing actual cashflow and not just having it on paper, you could then try and find a partner who will come in and purchase the portfolio from you and your partners, you can pay off your partners and then start new with this single partner and move forward through the rest of the plan.

Does anyone know if these online  auction sites are locked in stone?

If it is to have a vacation home that someone else helps pay for then maybe.  

As I understand it, there used to be an on-site management company that operated some of the units as a condotel. 

Use property leads  and NTSMHF as lead campaigns for PPL(pay per lead).