At the very least you will want to have some general foundations set because with time you will modify processes and the learnings via experience you gain.

It might cause me financial harm as I have to sell more stocks and might pay short term capital gains vs long term capital gains.

There are a lot of rules when it comes to buying a MH and if one thing is wrong the lender will deny the loan.Mostly pay attention to year built try and stay away from Mobile homes that are older than 20 years. 

Seems like they usually start with a little info to get your attention and then tell you to just punch the numbers into the Pro Tool and voila, you're now ready to purchase a property and I'm just thinking, "Did I even learn anything?". 

The West and South posted more modest gains of 6.9% and 0.5%.

If you're just going in to learn, you could probably gain some value.

I have been fortunate to meet two of those individuals and gained a mentor.

I used to cold call, skip trace, send mailers, and don't get me wrong you will get success from it like James above, however as you gain experience you will realize you need deals faster, easier, cheaper, and with more "meat on the bones" and in order to have that you need constant deals flowing through your eco system and that's hard to do with mailers, cold calls, VA's and skip tracing etc.

Not much if any attention is paid to the guarantors, credit, income, etc. 

Pay attention to what's connected. we also use the same mailbox.