BiggerPockets also has a calculator to analyze deals, and I highly recommend you start this as soon as possible, even if you are not ready to buy.

They put on a good show, but don't buy in.

Just make sure you are saving towards those slow months during the peak months, buy a deal at the right price (don't overpay just because its a turnkey STR or you think it will make more money than projected), and look into ways to increase bookings during those slow months with some marketing and operation tweaks. 

The other half is a mix of spec and owners buying lots to custom-build for themselves (more of the latter than the former).

i have people in my network who find deals; they get paid if I buy them; i diligence them; and then my PMs manage them.i didn't look at your profile, but do you already own rentals? 

I've helped people with SBA loans to purchase real estate for a business, but for buying rental real estate, the DSCR loan is a much better option.

One of my CFO clients just did this last year and got cashed out over $1M, which he's using to buy more properties.

We are buying two houses right next to each other.

I'm currently looking to either buy a turn key multi-family or BRRRR a multi.

I am a huge proponent of buying and holding.