I was told if I want credibility they have testimonials.

Excellent advice.

As it enables you to live in one unit of a property while renting out others to pay your housing bills, house hacking is an excellent strategy—especially for first-time homebuyers.

Tenant said plumber did excellent job.

As I start this venture, I want to avoid the mistakes of other PM's and learn from those who provide and excellent service to their clients.

Still excellent value in terms of price per square foot and amenities but could be sometime before a full license is issued.

After the fact, you identified red flags and now understand why someone promoting on BP is no different than someone posting on other social media pages...it shouldn't automatically lend credibility to the company simply because they pay to promote themselves on BP.

Keep track of things in a notepad or simple excel file and a folder for receipts.for rent-what is the person currently doing?

Homefront Preservation did the renovations and they were excellent.

I have excellent role-models in my own family of first-generation immigrants who have invested in RE decades ago and now enjoy total financial freedom before retirement.