TT provides great output for me, but I am meticulous about tracking the inputs. 

Large deposits and withdrawals must be accounted for, and banks are meticulous when it comes to tracking the money.

It isn't rocket science to run the books correctly with a single bank account, but you need to be meticulous. 

I've looked at plenty of "meticulously maintained" places that I thought needed tons of work!

As far as income tax goes, I would definitely set aside some savings, but most importantly I would meticulously track your expenses to help offset that income.

We produce TV shows and work with some high profile NFL athletes, and found a commercial building that could really make us stand out, especially when meeting with clients.We found an old mid century modern bank in an area of LA near the new NFL stadium (which opens in 2 yrs) and the place has been meticulously taken care of and it's on a very desirable corner lot.

I had tenants that were SUPER meticulous on move in inspection because they just came out of the college housing environment. 

All of these systems are producing better than forecasted, dirty or meticulously cared for, basically same end result.

It requires a certain amount of dedication to be meticulous and have a heart to share with others.

I tend to be a very analytical person and I made sure I was very meticulous when I inputed the values into the BiggerPockets calculators.