It's the same philosophy when your 401k is originally tied up in small cap stocks and you gradually shift to bonds as you age.  

I am living proof. 5%-20% below current fair market value - This is gradually changing and the market is very hot right now.

There was a ton I did not know then and still a lot I don't know now, but thanks to BP and Mr Greene's books, I'm able to take gradual steps forward and would like to expand my rental portfolio.I'd like to connect with investor-friendly agents(or other deal-finders) in Sacramento that can assist me in searching for highly-distressed SFH's to BRRRR.

You need to follow a plan, that should take from what you can afford now (not just afford, but that also must bring you profit and/or cash flow), and gradually work your way up the ladder. 

Your employees will gradually add the required information.

When we buy apartment buildings and gradually fix them up, we do so as the tenant base is rotated through.

The hoses come in different lengths; get the shortest one you can that can make gradual bends to attach at both ends. 

Gradually increase the rent. 

“Asset management businesses have gradually adapted to this new world but in recent years a new stage has been reached.

Should I gradually increase the rent starting with $900/month and have them sign a lease?