I thought I had a good grip and would learn a little as a go along but its obvious I need some more.Would it be advisable to cut my teeth on single family home first?

I'm a beginning investor (only have 3 properties of my own) that's cutting my teeth assisting my cousins with their properties (around 100).

The law makes no sense but it appears not to have much teeth to it.

Submitted some offers, got one accepted and boom, I have a house.A year later I'm now pursuing a small multi-family and it's like I'm pulling teeth to see some properties over here.

Yes im tired initially when i get up but as i start brushing my teeth and moving around the tiredness wears off.

I cut my teeth on my own experience and have built a proven system. 

It was difficult for me to get started at first as I was so angry at the mother I wanted to reach over and slap her teeth right out of her head for what she called the young woman.I said a lease is a legal contract, however, if the first young woman did not wish to move in she needed to begin the job of finding a suitable replacement for herself.  

Your screening process is what I call the "tattoo's to teeth ratio" ( I kid, I kid). 

Brush your teeth and floss everyday.The same goes for real estate.HVAC units,swimming pools,termites and critters,and appliances need regular inspection and maintenance before they fall apart or rot away.The roof should be inspected after every harsh winter to check for minor damage to repair before it eats away the entire roof over time.Looking for small problems to fix every 6 months can keep your property healthy longer and your cash flow swimming.

Trying to get this information is like pulling teeth.