One big corporate owner runs the show and you pay when they want to do anything to the complex.The 25% looks pretty good on paper.

I found motivated sellers from the notices of default in the local paper, wrote them letters and bought houses with seller financing. 

Everything decent either gets canceled, is asking too much or gets bid up to paper thin margins.

And some of the contractors will hold paper as well. 

You have all these things ironed out on paper but there are dozens, if not hundreds of things in this arena that can go sideways.

The IRS says to keep records for your business tax deductions indicating:What you boughtWhen you bought itHow much you spentIt doesn't mention requiring paper receipts at all.

I can't imagine using quickbooks to manage rental properties.I use Stessa and Buildiumbefore that it was excelbefore that it was paper ledgers

It looks good on paper, but then the real expenses hit.

I know clients that have done these line of credits, and a lot of times they end up paying a lot in interest + more paper work.

Don't throw away your snail mail and pay attention to the "promotions" tab in your Gmail, including the ads.Sometimes the best credit card signup bonuses are targeted (both paper mail and email) and will result in more bonus points than the offers you can find online.Also, if you have a Chase bank account but you don't have one or more of the foundational Chase cards (Freedom, Sapphire Reserve, etc.), walk into a branch and let them know you're looking to open a new card.Branches and bankers are obviously evaluated based on their ability to open new accounts, and they may be motivated to give you a special offer.For example when my wife got a Chase card she got double the sign-up bonus in-branch than what was being advertised online at the time.If they present you with just the commonly-available offers, let them know that you'll just open it online because it's easier and will result in the same bonus anyway.If it looks like you're going to walk away, the banker may be able to give you a better bonus in order to not lose credit for your account opening.Of course they may not have the authority to do so but it's worth a shot.