The slowest months are Sept - Oct.  

Plumbing was installed in violation of code requirements in effect at the time of installation....Violation 5: PermitsNarrative: Please obtain the following building permits.1.

I can payback the loan in 24 months and have been approved for the loan.

Make sure the terms of the mortgage loan offered on your land are “soft”, something like 0 interest with payments of $500 monthly for 120 months and the.

My lowest appreciating property is $2700/month.  

I'd overestimate what it will cost and the amount of time I think the project will be by at least a month to give yourself some cushioning and an idea of the margin of error you have in order to earn money.

Tenant is in middle of the lease and has paid on time until this month. 

You can use any available listing platforms, but ensure that the sold comps are not more than 6 months old.

Yes I have a few rentals right now and I have 6+ months of reserves for my current rentals but I do not have enough to buy more than 1 or 2 of his SFH 

FYI: If I keep I will be sidelined for 8-12 months until I can buy another deal.