Private money and personal funds.

Hard money loan that covered 100% of rehab and 90% of purchase.

Don't attempt to figure things out on your own or act as a GC or PM when you are using other people's money. 

I updated the bathroom/porch in the spring, and am finishing construction on a 2-stall garage (the previous garage was basically a large shed that I could not fit much in).Moving forward I am considering one of the following options to put my money and build equity:1.

Wouldn't it make more sense to raise money privately?

why on gods green earth would you want to buy 10k condemed houses :)  seems like a waste of time and money to me.

Structuring Financing for Volume-Based InvestingTraditional financing methods like hard money loans work well for single properties but can be less efficient when you're scaling up.

Thus more time, money and risk.  3. 

I work a lot with investors outside of the US from a tax perspective but from a mortgage perspective, as mentioned above hard money or DSCR is probably your best bet.

Alternatively, investing in money markets is another consideration.