I pass on lots of stuff (mostly on-market, though) so if we know each other's needs, we may be able to work together. 

After buying one property how soon can you put yourself back in the market if you do have enough reserved for down payment/closing cost? 

Yesterday come across this great article about STR best college markets  they use data from BiggerPockets Market Finder and AirDNA

A direct purchase of a rental with no rehab, I would want 10% or greater.  10% would be my minimum in this market.

Examples:- Brokers- Cold Calling- Networking- On Market

The question: which CRM software is the best and most functional for a marketing investor that will give me the best bang for my buck?

the best wholesalers spend thousands or tens of thousands of dollars a month on marketing. 

I contacted one of my local agents here and she told me to refer to her coaching program assistant.

Based on your financing options, you are going to be limited to 4 units or under, given 5 and over become commercial lending, so no FHA or owner-occupied options.I am assuming you plan on living in one of the units, but to be clear, that will be a requirement for at least 12 months, under most mortgages.You may get other's posting about talking with wholesalers or trying to find off market deals.  

I had the listing on Avail (which I use as a rental manager, and posts to many other popular rental sites), Zillow, and Facebook Marketplace.I already have a Section 8 tenant at Property #1 (which I acquired during the purchase), so I'm not opposed to the program at all, and to be honest, they pay above market rent in my area, so that worked for me.