I think it's great at the beginning to do things yourself in order to make additional money to move quicker and have the knowledge to implement better systems.

I believe systems are very important and are probably the biggest thing that I need to work on implementing in my REI business. 

Note that LLC for non US person come with stringent accounting requirements since 2017.

So really, being "in the trenches" of PM requires becoming an expert negotiator, being calm as a cucumber when everything is going bonkers all around you, LEADING, reading people, creating, implementing and defending systems, knowing the red-flags and picking them out early especially when well hidden.  

Does anyone have advice for someone in their 50's starting this journey on how to implement strategies that can have a quicker payoff or can help fund the retirement years? 

I've spoken to several who've tried implementing Salesforce. 

We still found ourselves learning and implementing plenty from the course into our day-to-day operations, training materials, and most tangibly, an offering memorandum of our own.)I’ve inserted the link for the first draft of our “Midas Touch BRRRR 20” offering memorandum here.

Imagine, learn, but implementation is the most important thing.

Is this change reasonable, and how do I implement it?

I have been putting off implementation in both of those areas because I just don't know enough.