Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

Best of luck, but again, I suggest hiring a professional. 

As far as your primary residence, if you have lived in it 2 out of the last 5 years, you should not have to pay taxes on capital gains (difference between what you paid for it & what you sold it for) up to $250,000 if you file your taxes as an individual and $500,000 if you file jointly with a spouse.Just a disclaimer, I am not a tax professional.

Right Amit, this problem is actually a simple mathematic equition:one wants to swap a lesser performing rental with the more performing investment.The problem is since the performance is set by market, thus the problem is becoming:one wants to swap a less performing single/MF rental property in specific regional to a regional syndication economy that's more performing.In reality, these are difficult as the home price is rising and rent growth for SFR is higher than the growth of apartment/multifamily complexes esp. if it's class A property.Solution ?

Work with Professionals – Consider forming relationships with local appraisers, title companies, and attorneys to help with due diligence.

From the public website,The BetterLife Tribe program offers everything you need to achieve real estate success:Monthly Calls with Brandon Turner and top real estate experts, providing you with insider knowledge and strategies.1-on-1 Personalized Coaching to tailor a growth plan specific to your goals and challenges.Access to the reiOS System of Success, the exact operating system Brandon used to scale Open Door Capital to over $1B in assets.World-Class Real Estate Education and Tools that equip you with the skills to dominate any market.A Thriving Network of 1,000+ Active Investors ready to support, inspire, and challenge you on your journey.Seems like a great program like many do in the marketing materials

You should consult a tax professional for an answer based on your unique situation, this is not tax advise just general information.

Plus you'll most likely make more money in home value growth compared to a multi family. 

These are professionals with additional training and a stricter code of ethics.

Similarly, if you are you a medical professional with strong connections at the local hospital, then target properties (and their owners) that would attract medical travelers.