Your lender will require professional management (which you want anyway) which will cost between 5-10% of monthly rents.  30% down should create some decent cash flow, give you a solid investment, give you professional assistance as you get familiar operating in the industry, along with freedom to pursue your next business venture.  

Good morning all,I am in the process of getting started on my REI venture.

All the best on your real estate ventures!

You might consider being a hard money lender or doing a joint venture the first time or two until you know more about the process. 

I would also join the local REIA to build possible Joint venture relationships. 12K and good credit is a good foot in the door.

Hi All,I'm looking for advice on channels for advertising a deal to potential investors.Do you ladies and gentleman have suggestions on platforms (online and offline) for connecting with individuals and groups to find a good fit for a joint venture on the following project overview?

Hi All I am excited to begin my new venture as a wholesaler.

I don't think you need to  be pre-approved by a lender if you create credit lines, check protection, line up friendly joint ventures, syndication. 

Wish you all the best on your real estate ventures!

All the best on your real estate venture!