I will hire out to another expert to handle other aspects of our finances to make sure those are on the right track.

In fact, across the board, out of town investors are buying at *negative returns* which is making it absolutely impossible for savvy, educated investors to even get their foots in the door.

It seems like landscaping/exterior is a large aspect of this property, so in that case I would put a good chunk of my efforts there

I can't find anyone with a negative opinion of the company.  

You’ll probably come across various “negatives”, this may require, or may provide an opportunity for negotiating a price reduction in the final contract.  

As John alluded to, please search the forum for arbitrage and you will find a lot of  info about it, mostly negative. 

Velocity of money, or speed in which you can complete a BRRRR investment and repeat, is key to success, and refinancing with the shortest seasoning requirements is highly important.Loan terms and interest: Cash flow is also an important consideration for a refinanced rental property, so attaining a low interest rate, as well as other aspects of loan structure (term, amortization, or interest only, etc.), plays a big role.Generally, there are three main refinance options for BRRRR method investors: Conventional loansBank/credit union loansDSCR loansConventional loans are generally defined as loans originated under GSE (Fannie Mae/Freddie Mac) rules and guidelines and securitized.

I've looked into 15 properties, all of them show negative cash flow, is that true ?

If your cash flow has essentially been reduced to zero (or negative), yes it probably makes sense to sell.

What other aspects should I keep in mind and look out for in a property of this age and condition?