The only reason he did it was because it led to additional work.

Both properties have a substantial amount of equity that’s essentially sitting idle.Would it be a good idea to tap into this equity (through a HELOC, cash-out refinance, etc.) to fund future fix-and-flip projects or purchase additional rental properties?

Many Airbnb guests will want common utilities unless it is in a remote are where you go as a sot to sleep while hiking the area. 

In addition to interest and repairs, you can deduct off a 27 year depreciation on the home. 

We're fortunate to have an above-average income and live well below our means.This summer, we’ll be moving to Detroit (PCSing in August), and we’ve saved about $120,000 to invest in addition to having funds set aside for the home we’ll purchase in Detroit.The reason I’m posting is that I’m struggling to decide how to best allocate the $120k.

Any additional input would be great.

This is a common 'trick" we use in flipping.

Incorporating a washer-dryer hookup in the main house could be advantageous.This addition not only increases the convenience for potential renters but also adds value to the property itself.

Removing it cost us an additional $5k over our estimate.  

.): ~$1600Savings available: ~15-20% of the purchase priceCash to close: ~$34kRehab estimate: ~$34kRemaining reserves: ~$20-25kTo fully fund the rehab, I’d need to come up with an additional ~$15k in the short term, which I anticipate paying back quickly once the rental portion is generating income.