So to address your question, yes you should still be able to wholesale it but the question becomes are you offering enough to pay off those liens and mortgages to still make it a good deal for the seller.As far as extra questions to ask them for your marketing or selling on the back end its always a good deal to put your mind in the place where a buyer you are selling to would be. 

It's cheap and just adds an extra level of protection.4.

I purchased house 4 months ago and I put down 20% down on 149k house and my mortgage is $889/month, but I have been paying extra $3000 on principles, total of $3889 per month and I have 100k left on loan.

Paying an extra $40/month to have an extra $13k in your pocket doesn't sound bad.Definitely don't let the $13k sit in a bank.

The third floor has 2 bedrooms and an extra room (same size as both of the bedrooms) being used as a living room.

Are there costs associated with pulling out equity on your home, extra payments? 

The extra money is worth it for an agent that'll service you and get the job done well. 

That's a total loss of $4,000 in an effort to lock a tenant in for an extra 12 months and reduce turnover costs!

First, learn how to run a park that already exists, maybe one with some extra development opportunity.

I asked and they told me that the person assigned to the claim said to do this as they were basically guaranteed to get approved for that extra money.