As long as it's upgrades or real estate purchase related, it's tax deductible. 

@Joe Splitrock yea only good thing about the location in NY is cash flow is phenomenal as long as you pay attention, appreciation not so much.

The score will recover in 60 days as long as all the card balances, paid as agreed, and addresses don't change.

You can certainly write a cash out loan on a condo - as long as it's warrantable.  

@Jacob Duyon you can draw on the Heloc to put a chunk of money in your reserves account (ask your lender what the reserve requirement is) AND use your Heloc for the down payment as long as the monthly payment for your Heloc works with your DTI after doing both.

I read some posters on here who say as long as they have cash on hand to cover repairs than they don't worry about calculating set asides in the math.

A local bank in my area will loan for purchase and rehab, as long as the appraisal shows the ARV as being within their lending criteria.

That investment continues to pay, as long as you leave your money in. 

So the time limit is never an issue as long as your prepared. 

Don't get nervous is yours takes longer.As an owner you need to understand that EVERYTHING about your home impacts how long a house will be on the market.