I am growing every year but the bank regulations are what they are. 

The most professional way would probably be to create a website of your own though.

How are they regulating wether you are owner occupying the property?

If you have all tenants on M2M you can quickly adjust by raising their rents when rates go up depending on your state regulations. 

What’s the most common way to keep track of your properties without hiring a professional acocuntant or manager?

Issue with PM - If you list more than one property you get PM or special designation on the site so people know they are dealing with a "professional"issue with vetting owners - We use Task Rabbit for properties that are far away to take pictures of the property and to gather personal information and paperwork.

Don’t ever let any financial professional tell you that “you don’t have a choice.”

The more well-versed you are, the easier things will be and the more comfortable you will be talking to professionals throughout the process.2) Find a good real estate agent that you can trust.

Burien is one of the few municipalities around that hasn't enacted any further rent regulations on top of state regulations, except for a licensing fee.  

I'm not a lawyer and not giving legal advice  -  I'm not a CPA and not giving finical advice  -  Simply my opinions@Ike MutabannaTo find a lawyer try checking on the Texas bar website www.texasbar.com You can choose specialties such as Real Estate and professionals with an office location near you.My $0.02 on the Series LLC concept  - I read David Willis' books - it seems he likes the use of Series LLC's for asset protection.