Are you estimating CoC with just the down payment & closing costs? 

You could integrate with Zoho CRM, and it'll work very well especially for invoicing or sending estimates, etc.

I’ve been quoted $20,000 to build the pond, which was a rough estimate.

The neat thing about buying the STR subsequently, is that you can use estimated short-term rental income to help qualify for the STR purchase, but only if you purchase the STR after your primary (not the other way around - see Scenario 1 above). 

The other disadvantage of storage rental is they are generally slow to fill up, we are financing a new Construction self storage, and the lease up is estimated at 4 years.  1 suggestion would be to buy 1 container, lease it, then buy the subsequent container.

Planning is key here to determine your estimated income and how much gain or recapture each property may produce.

However i have a few questions to make sure my numbers make sense.I have spoken with a lender and estimating 8% rates.

Since lease was just renewed and he has almost a year left, I would think the amount should be 2-3 months' rent plus estimated moving expenses. 

Here's what I was told by CSSI after giving them some info on my home: We estimate we can accelerate the depreciation of your property in the first 3 years by $22,197 in the first year through a cost segregation study performed by our firm.

I estimate from the monthly payments that I probably at least was paid back the amount I gave him, but really no gain for me in that sense, almost like an interest free loan for 5 years.