The issue now is that I'm not sure if I bid on a second mortgage or if there are multiple mortgages on the property.

Others may be provided by the platform that you're advertising on online.

I'm 24, currently have about $200k saved up, and have talked with a mortgage lender but not finalized getting pre-approved. 

They will look to work with small operating companies to get sba loans, but they will want to see two years of income : tax returnsSo if the company is a general contractor then its income / expenses could get it some sba loan but if you are fixing and flipping and are looking to get a mortgage they will look at you not the LLC

I have never used an FHA 203(k) loan myself, but several years back when I used to do mortgages, I did sell a few of these to my clients. 

Most counties list their properties online, but a search for properties in Franklin, TN has proven a bit difficult. 

what if the laws changed and that impaired your ability to get income you needed to pay your mortgage?

Didn’t pay his last two months of mortgage payments.

I think there is a following for people who want to live with less stuff and not have a huge mortgage/rent to tie them down.

There are tons of online platforms that sell notes, so you can spend money on direct mail or go online and get them for free.