I read a few of the posts and would recommend talking with a lender in regards to the multi unit property since so far you have only watched videos on YouTube or podcasts.

Check out the "Enemy Method "You can find videos.

Maybe make equity sharing an option that offers a lower upfront fee.Reference: (You may have read it already but if you haven’t I would recommend checking out Dan Sullivan’s videos/media).

This would ideally include a video doorbell with an app that can manage both and see the cameras/recordings for both systems. 

Find Brandon's videos on YouTube for the "four square" method of analyzing homes and practice.

Additionally, since we are out of state (Washington) and unable to do walkthroughs of prospective properties, Chris has been great about taking videos for us, which has been very helpful. 

Continuously educate yourself through books, podcasts, and videos, such as BiggerPockets Podcast and YouTube channels.

Get informed about real estate investing by watching videos.

It even comes with training videos

Despite paying a substantial fee, I found that beyond basic instructional videos and repetitive weekly calls, there was little substance to aid my learning.