If you are investing out of state, then do you already have a good property manager lined up? 

Good luck  Total Rents Collected: $23,025/mo Debt Service: $12,358/mo (sad for me. 8% interest rates lol) Property Management 10%: $2,303/moReserves (Vacancy 5%, Maintenance 10%): $3,454/moPhantom Cash Flow: $8,365/moTrue Cash Flow: $4,911/mo (Money I can legit burn)  bob as you probably know I owned a few hundred of these types of homes from DetroitCleveland to Jackson ms  Birmingham balt city etc etc.  

Self-Employment Opportunities: Would it make sense to start a side business related to my rental properties (such as property management) to access more deductions?

Consider starting with house hacking to reduce housing costs while learning property management, or explore mid-term and short-term rentals for steady or higher income.

However, there's a critical detail that many tax advisors conveniently overlook when promoting these studies.Here's the uncomfortable truth: If you're a high-income earner (AGI > $150,000) and not actively managing your properties, those promised tax savings might be locked away for years.

Cash flow depends on the down payment, but using a HELOC could keep your cash reserves intact while you get started.Make sure to build a reliable team (property managers, agents, etc.) to help you manage the property while working full-time. 

Not impressed with other large institutional managers who are very light with boots on the ground and in many ways have the attidude they are assisting you in managing the property, not managing it for you.

Investing in real estate in actually starting, managing, and marketing a company. 

Property management is also in place. 

I am currently a sales manager for a commercial tree farm and have recently been consuming Kiyosaki's books like they are candy.