If you have any additional questions or concerns, please don't hesitate to reach out to us."

While getting your license has benefits and creditability most brokerages are not investor-focused. 

Use credit cards to finance the rehab.

Good credit, good job history of 14yrs with the government.

But it's best to jump in feet first.One thing that's helped - I've been able to grow our organizers by three additional people - we have a US / Korea Liason, a bilingual research analyst, and another coordinator.

These gatherings offer great chances to network, meet other investors, and pick the brains of seasoned pros.Join Online communities: Think about participating in online groups and forums devoted to real estate investing in addition to neighborhood get-togethers.

As a partner in the LLC, you and your wife will receive a K-1 form from the partnership, detailing your share of the income, deductions, credits, etc., for the tax year.

Run their credit like you would for anyone else. 

Would it be advisable to sell one of the investment properties to finance this, or should I explore using a Home Equity Line of Credit (HELOC)?

The rental use alone won't create a position, but it isn't a bad additional fact to have.