Luck happens when hard work and preparation meets opportunity. Sounds like you are in the right place/time, so go get 'em!
1. Hopefully you have recruited your wife and she is positive. It will make your life ever so much easier if she is a willing participant, vs. being "forced" into the program.
2. I would encourage you not to go the below 50 carb route. I think you will see very positive results if you keep it less than 100, and should make your transition much easier. I fully understand the desire to see quick results, but you should lose at a decent, sustainable rate if you maintain your exercise and go the 100 route. My N=1 over many years of losing (and regaining) excess poundage is that if you lose it too fast, it will have a tendency to come back. Below 50 will probably put you in Keto, and I don't think you should strive for that up front.
The Buck stops here. I am responsible for my past and my future. So for today: I choose to be happy. I will seek wisdom. I will be a servant to others. I will greet this day with a forgiving spirit.