Same principles apply - being busy will create opportunity. 

-Here’s the harsh truth, they didn't want to do business with you.

Hey, congrats on your business success!

., They will be instrumental to your business. 

Check out the STR forum where you'll find some great information and will see questions and answers from those who have successfully scaled STR businesses. 

To make taxes easier we set up a business checking account and had all the rent paid into that account and all the expenses paid out of that account.

I own the property free and clear and i use the equity as part of my business line of credit.

I don't Atlanta is too landlord friendly and the demographics shift it harder to do business everyday.  

Would you be open to connecting sometime this week to see if we can create some synergy between our businesses?

The risk of "piercing the veil" applies more to LLCs when personal and business finances are not properly separated, not necessarily to individual landlords renting a portion of their home.A more practical approach is ensuring you have a solid lease agreement, sufficient liability insurance (including an umbrella policy), and properly reporting rental income and deductions on your tax return (Schedule E).