I have just started in a 3-day training for the Lee Arnold broker certification program and thus far just completed the online material required for preparation. 

I was seeing information online that suggested both routes...Thanks in advance for the help!

Start by networking through local meetups, REIA groups, and online communities like BiggerPockets to connect with experienced investors.

I think there is enough information online that another course isn't going to move the needle on getting involved with a MF property or not.

Begin by educating yourself through books like The House Hacking Strategy and podcasts like BiggerPockets, and join online communities for support.

@Lulu LueHUD has 2 online databases of lenders showing which ones have the most experience with 203k's. 

Invest in as long as it takes you to write a check, do a wire transfer, or even an online bill pay4.

My recommendation would be to get approved as a Landlord, contact the director's office and request that an inspection be completed before a tenant is selected (sometimes they will do this as long as you select a tenant within 14 days - which you want anyways), and have an online application and screening resource in place.  

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I attend one in Frederick which is online right now.