Do this until you find at least 3 good ones and compare each of them every time you need financing. 

DR and Lennar basically will only buy ready to build lots.. so I have a few larger projects in the works.. 92 lots and 164 lots.. that they swear ( pinky Swear) they will buy from me when I get them shovel ready.. 7 to 10 million dollar risk and they could say no if they don't like what the market is doing.. the 92 I am going to do if they don't buy it I will build it.. the 164 I have to flip or I will not exercise my option at walk away from about 250k in cash I Have in it presently.. but that's the land game .. big risk big reward.. if the 164 goes right I will make about 4 million on  the same 250k invested.. roll the dice right ???  

Now compare it to whatever you invested in, all of which will be taxable, and it might not make so much sense.

May or may not be worth it compared to the cost of fixing it yourself.If the answer is "no" then you should fix your wall.

If its 4 units or less the income approach which Cap rates are used not so relevant. residential units are appraised by per unit precises and CMA of comparable sales. 

These include loan payments, tax, insurance, utilities, etc ... incurred during the Rehab phase up until the property is fully rented.Jim you will find Cash Flow amounts are usually lower using the BRRRR strategy compared with normal Buy and Hold deals.  

I am now in a contract position as 1099 and have the option to fund my own Solo 401k up to 55k, which is amazingly awesome compared to most employers just providing the individual limit. 

Decide if your lifestyle allows you fulfill the responsibilities of landlord, and then compare the ROI of keeping the condo vs. a different investment vehicle.Good Luck!

If you're buying with cash you may be able to get a higher return by owner financing, compared to renting.

I would be curious as to what part of town your property has sat for the last month and see how it compares to nearby comps.