The two biggest issues you might run into...1) finding labor that wants to work and 2) juggling your money. 90% of your success will be built on doing what you promise, showing up, and returning your calls.

You want to keep it clean and not constantly juggle around multiple accounts for 1 LLC.

I am working a full time job, juggling military demands because I am reservist, personal life, and another job due to financial demands.

This is what is great about being a Realtor and being able to juggle both at the same time.

The downside is that if you plan to buy more rentals, property, and investments it gets to be very cumbersome juggling all those payments.

There are routinely underfunded and juggling many clients. 

In Real Estate, it's tempting to juggle multiple strategies,  but mastering one can set you apart.

Right now, I'm juggling a couple of short-term rentals (STRs).

We decided we couldn't get our act together quick enough (at the time we were juggling a number of renovations) so we sold the place to a flipper in the area and carried back a sweet deal for him (low down payment, low interest, long due date etc). 

SF was outsourcing the 20% loan piece through other smaller lenders rather than holding it themselves (but they were handling the underwriting altogether so we didn't have to juggle 2 loan apps).