I've read so many examples of people stating as long as you have the 20% you automatically can by the home. 

Most experienced investors say, if you have a good deal, the money will come.As long as you have it under contract, try BP forums as well as local meetups 

If it has a value now and you sell with the house it will be tax free as long as you're not at the maximums.2.

As long as your credit is good (I think around 650), you can borrow money from P2P sites.4. secured Personal line of credit - if your credit is NOT so good, and you have some assets like Certificates of Deposit or stocks, talk to your banker about opening a SECURED personal line of credit.

As long as you live in it for a year, you are good to go.

As for managing a rehab as long as you get a scope of work from a GC they can manage the day to day and you can spend a couple hours inspecting. 

There is no additional liability as long as you disclose upfront that you are a licensed agent and or Realtor (which are not the same).

I'm aware of the dreaded "Due on Sale" clause but am not as worried about that as long as I keep my mortgage payments on time.

Don't do this too long, as soon as you can jump in and buy but buy smart.

Is there a high chance my rezoning request would be denied or is rezoning usually granted as long as you fill out the paperwork, pay the money, and get the permits?