The "online leads" trend becomes a vast pool of scams, each one discovering a new and "better" way to find motivated sellers via SEO/Paid adds/Social Media etc, and automatically aims to make a profit from selling those so-called leads.

Unless there is a history of STRs in the property already and you have experience with STR, you really wouldn't be able to supplement your income with that. 

If the deal is residential 1-4 units, I'd aim for 30-year fixed-rate debt. 

The company aims to raise funds from investors to purchase single-family homes, primarily in Florida, improve them, rent the properties, and eventually resell them (11:33).

It's not quite as easy as renting out two sides of a duplex, but with the right marketing and management you could rent out the extra unit to supplement the mortgage payment. 

What should I be aiming for?

For your first investment I would aim to get some amounts of cash flow and not be in the negative.

is there a particular group you are aiming for ?

I aim for at least 4% to 5% as a benchmark.

@Sean GammonsIf you’re aiming to buy two properties in a year, start with an owner-occupied duplex using an FHA loan, leveraging rental income to qualify.