You are very fortunate to 1) have the skills and equipment to DIY and 2) have space for a second drain field.

Fortunately after some more YouTube videos, I found that a company makes a repair flange which is super relieving for me since this was in a POURED CONCRETE SLAB. 

Over the past 25 years we have uncovered some massive disasters that we fortunately were then able to cancel the contract on during due diligence.The best guy in the U.S. for doing a Phase I is Mike Renz with Renz Environmental in Ohio -- he goes nationwide.

I was fortunate enough to find two mentors who encouraged me and led by example. 

Fortunately, we have an incredible team and were able to get a conventional loan.

You could spend a fortune getting more inspections.

I was extremely fortunate to get into single family real estate investing at a young age (23) and it has made all the difference.

Fortunately, I recently reconnected with college buddy and found out he too was into REI.

Especially, when my projections for multi-unit properties tell me my profits will be almost exponential when I raise rents for a few years and I would be very angry if I my partners wanted out and I have to sell and give up my fortune.

I have been very fortunate to have found my way into a real estate team that has trained and mentored my realtor business into something I could have never imagined.