Fannie/Freddie both allow up to 90% financing. https://singlefamily.fanniemae.com/media/20786/displayHOWEVER, the  loan level pricing adjustments are HUGE on these loans: So, the rate and costs will be very high. 

Quote from @Kevin Zmick: When a property doesn't rent, there are two primary reasons: the price is too high or your marketing isn't reaching the right audience.If your REALTOR listed it in the MLS, then it's probably syndicated to the best websites and you're casting a wide net.

Renovated: Added granite, high end finishes and fixures, landscaping, new flooring and painting throughout.

If this looks too high to you- I would appreciate estimated fair price costs from anyone with an opinion

I was wondering how should I do high level estimate on cost of construction for homes.

@Will Almand, I would argue quads are always going to be in high demand.  

BiggerPockets also has a calculator to analyze deals, and I highly recommend you start this as soon as possible, even if you are not ready to buy.

If you can create high quality real estate related content, you can attract a large audience and find motivated sellers in the process.

Cash invested: $40,000 Sale price: $205,000 Strategic Market Pivot: From Long-Term Rental to High-Yield Fix and FlipThis property was strategically transitioned from a single-family long-term rental (LTR) into a fix-and-flip project after analyzing market trends and identifying a pivot that would yield better long-term returns.

The "fine print" here is fairly sizeable upfront fees and high interest rates, relative to a traditional construction loan from a bank.