With my current circumstances, I want to use my VA home loan to house hack and become more savvy with the opportunity as a first time homebuyer.

I have found my first neglected property driving to work.

Pennsylvania Real Estate Attorney here,You only have to worry about piercing the corp veil under very limited circumstances - specific events of fraud, co-mingling funds, etc. 

I have found my first neglected property driving to work.

If you want to keep the property but reinvest the accumulated equity, that could be a wise choice.Ultimately, the decision to use a 1031 exchange or refinance and take out equity depends on your individual circumstances and investment goals.1031 Exchange 45-Day Identification Period ConsiderationThe identification period for the replacement property is 45 days.

I'm not sure what you would be "defending in court" if you've known about this issue since last year and have neglected to address it.2) Get the rental license in place BEFORE you move in a tenant is the biggest takeaway here.

Any damage to the wallpaper, paint, walls, floors, carpeting, doors, windows, window treatments, light fixtures, appliances, or other improvements to the Property (to include burst water pipes due to freezing caused by neglect or carelessness of the Tenant, his family, or any of his guests), in excess of ordinary wear and tear, shall be promptly repaired or replaced by tenant, at Tenant’s sole expense, so as to restore the Property to the same condition as existed prior to the commencement of the Term.

Hi,  I have an old primary residence that tenants have been in and are now vacating, it was a bit of a unique circumstance so I am trying to understand the tax ramifications or best approach. 

There's no one-size-fits-all answer, it ultimately depends on your individual circumstances.

@Robin RoundtreeYour circumstances offer an interesting opportunity to take use of the equity in your current house to finance real estate investments.