We use DealCheck to underwrite deals and QuickBooks Online for everything related to accounting and numbers.Classes allow for separate P&Ls for each property.

Apologize if these questions are vague, I am quite new to this.Happy to provide some of the data I have found thus far (though data online is scarce given the size of the town).Thanks!

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. 

You can create your own, or there are house flipping spreadsheet templates available online 

There are so many online hard money lenders.

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

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

I'm not into Sub2.In MN when using the SOS "fast-file" online system to form a LLC it states, CLEARLY but often missed by people, Single member LLC's are a disregarded entity and legally held as sole proprietor for all legal purposes.

@Keetaek HongI use QuickBooks Online (QBO) for my flipping business, rental businesses, and bookkeeping clients.However, many on the forums will advise against QBO.

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.