If any lenders offer lower amounts, they likely still have a minimum origination fee or higher interest rate and are usually individual private lenders rather than institutional private money sources.

That Private Individual can be a friend, co-worker, relative, friend of a friend, what have you. 

I know in the 5 borough an individual can't purchase at auction, most if not all of those properties go to banks since they buy in bulk. 

Additionally, you can check out local networking events or conferences, such as those hosted by the Columbus Chamber of Commerce or real estate organizations.

What systems or tools should I set up to stay organized?

I created a furnishing list for furnishing a rental property which includes Amazon links, prices that dynamically update from Amazon, and individual and total costs.

Personally knowing the founder of BP, Josh Dorkin and the current CEO, Scott Trench, I can tell you that their intent in starting and growing the bigger pockets community is to encourage investors of all experience levels to share their experience and network with like minded individuals. 

Apartments tend to have more transient, difficult tenants, particularly when it comes to issues with noise, parking, cleaning common areas, security, etc.As Alessandro pointed out, individual units can be sold off one at a time, while the 20-plex would have to be sold all at once.

Also, it includes a total of 6 individually deeded lots including two across the street for expansion.

My long-term goal is to launch my own real estate brokerage, focusing on both residential and commercial loans in Arizona.I’m beyond excited to connect with like-minded individuals, learn from your experiences, and share insights along the way!