At the end of the day; you need more money to do something like this.MAX LTV on new builds is 80% LTC, Meaning if the build is $550,000 and Land is XAdd ($550,000 + x ) * .8 = LOAN AMOUNTYou would need to come in with MINIMUM 20% of the cost in addition to closing costs and reserves, $80,000 is not going to cut it for this project.

And congratulations on getting married! 

Depending on your finances you don't necessarily need to start with a duplex, but I wouldn't go any more than 4 unit if you're going residential.

I put supplies on the job site.

Any information you are willing to share about past projects from addresses, scope of work, estimates, line item breakdowns, materials costs etc.  

Consider multi-family properties, cash flow properties, FHA loans, and online tools.

Omni Key sells mainly single family with some duplexes, and advertises off market deals on new construction and in fill properties.

I am looking at 1031 possibly or just fixed refi/or use my heloc for the time being on a value add for a building 10-40 units (market dependent on price). 

It could be possible to still negotiate a purchase depending on the stage of foreclosure it is in. 

The advice I would give as a lender are these few options if you both are on mortgage.