Find local RE groups and join them all till you sort down to one or 2 local RE groups.   

I am undecided if I should repair it and rent it out or should I  repair and sell it ( fix and flip) sort of.

Leverage tends to adds risk, I always recommend having the worst case backed up by, long term job prospects, other liquid assets to cover losses, an/or the ability to take measured risk more than once to even out uncertainty.The richest individuals use leverage to their advantage all the time, but it should be used with care.Zach

Often times this is a "ask for forgiveness than permission" sort of scenario.

If your goal is assume a loan, I would offer the lender some sort of compensation as they are generally only paid if they write your loan, which is not the case with an assumable loan, as the current servicer will be underwriting and providing the new loan.  

Might be cheaper to run a vent of some sort. 

For experienced wholesalers I'd love to hear about your worst deal and what mistakes you learned from it.

You'll likely need some sort of collateral. 

I’d love to hear who you’ve used in similar situations, or what sort of rates and terms could be expected.

Read a lot, copied everything I could get my hands on and pestered everyone with endless questions:)Learned from mistakes and always ask, "what's the worst that can happen?"