The sales comparison approach is typically done for residential real estate and will be less appropriate and come in under value because there are no good comps, and even an appraisal using the income approach (unless the appraiser is trained to do more complex commercial appraisals) is probably not going to be the most accurate either because they typically use market cap rates and in this case you don’t have good comparable income properties to find the market cap for the analysis.  

The typical days on market for these apartment are 20-25 days.  

there are several posts on here about capital calls. without more information it is tough to respond but typically a capital call is because the offering is having issues with cash flow - whether it is because a loan is becoming due or some other reason - that is the primary reason - needing an influx of cash. can you provide more details?

These are not great investments and while the experience is not typical for Memphis, nothing I've read or seen should lead you to believe your experience will improve.  

Instead of 40 houses cash flowing $200 each or $8000/month, you buy 10 houses and pay them off for a cash flow of $10,000/month with 1/4th the headache.People don't understand the amount of time, energy, and stress involved with managing a lot of doors, especially if they are lower-class properties typically needed to generate cash flow.

That same pool package is roughly $75-$80K now, with the same features. 

Typically, this gets the subs moving at a much faster pace, as who doesn't want that Friday payday check!!!

This is typically the slowest time of year for tenant placement, at least in our local market.

.: I'll have to look into this I typically contribute the max to a IRA then do a backdoor conversion to a Roth IRA.

@Austin TessMany lenders have a seasoning period (typically 6-12 months) before you can refinance.