They required me to have reserves, experience, describe what I would do with the property and they did an appraisal on the property. 

Most building codes and HUD standards require bedrooms to have windows for egress and ventilation.

I don't want to go back on my own word in any way, obviously, and had stated the lease was for a year.Now I plan to use apartments.com going forward for leases and rent collectionThe newest lease with a different tenant is plainly non-renewable and requires a new lease to continue tenancy after a year and outlines fee costs.

Is the sum of the cash flow and appreciation higher than your required return?

Rent control measures, burdensome employment regulations, and excessive administrative requirements exemplify this.

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

The requirement to do this generally involves an experienced GC signing on the borrowing entity as a 20+% owner thus making them a signatory on the loan and responsible for the debt which in most cases is not very easy to find.

2 are not cashflowing with the required expenses for vacancy at 10%, repairs at 10% and capital expenditures at 5%.

Just make sure you have all the required permits, including alcohol.

Again, knowing nothing about this particular company, my bet is that type of company will require money up front just to consider whether they can help you out.