Been getting nowhere with zoning laws found online and in the local library for Yonkers (in westchester county) as to whether any permits are needed in order to operate such a business. 

There are less restrictions in North Las Vegas and Henderson.The city is very protective of the big casino/hotel operators, and rightfully so. 

They are a fraction of the price of those who advertise online.

Search for this in a Michigan Public Notice legal newspaper or an online legal notice aggregator site like USALEGALNOTICES and the fount of MI pre FC/FC data will be available to you.

There are so many online hard money lenders.

https://www.biggerpockets.com/forums/93/topics/67638-where-to-find-wholesale-contracts-online

I don't care what anyone online says if you live there and have tenants at your home it will be a job. 

Think lakefront properties in small towns, destinations with new attractions (casinos, amusement parks)...Another idea is investing in properties suitable for accessory dwelling units to create dual-income setups, especially in cities with relaxed ADU regulations.

IMO killeen is a solid investment. just have to watch which areas you are getting into. there are some pretty rough areas near fort hood but killeen is great because it is close enough to austin and people commute from there to austin as well. with fort cavazos near by and the new samsung plant coming online in taylor, it is a solid choice with steady demand for MF.

Their new online system is really confusing, and I have had to call customer support for help each time I needed to wire/ACH funds because I could never figure it out on my own (and their customer service chat box isn't set up yet).