I think that it depends on the closing date and how long it will take the HELOC to close, I know that if I could go back, I would have done a HELOC a long time ago, it can be a great asset to build you portfolio and if I were you and I had the option, I would doi it regardless of the outcome of this next deal. 

So, I was wondering if anyone has any good pointers on where to start im open ears Start saving money asap, depending on where your job is you can go about an hour from dc and potentially get a usda loan which is 0% down, though you do have to owner occupipy for a year.

If so, adding an ADU would disqualify you from FHA lending depending on how many units it has.  

Other than the actual neighborhood, it depends on if it is sailboat access (draw bridges or no bridges) or what the clearance on bridges is which of course determines the size boat that can be used.

Make sure you have the money to replace it when it fails. 4.5k is low - could be up to double this depending on the ease of installation.Electrical, hvac, chimney, needs their own inspection done by the contractors to determine exactly the cost.

In terms of your first property being a BRRRR or something turnket, it really depends on your market.

I run one in the Oak Park/Berwyn area, but there are many depending on where you want to land. 

We have filed jointly and separately, depending on which way our taxes are the lowest.

If no, 20-30% down is common for conventional and DSCR loans depending on lender.

Depending on how much money is recommended.