Something to consider is that your children will eventually both be in school, creating the opportunity for a SAHM to work part time, or even full time because of after school activities and events. Of course, you'll want to discuss with this your wife and make sure you're both on the same page... she may have an entirely different idea than you on this.
If early retirement or financial independence is a goal for you both then you may be able to start planning for a second income. Of course the key with all of this is living within your means. Increasing the percentage you save every single year until it all just comes together. As you've seen kids can make this a challenge, that doesn't get any easier as they get older.
You're off to a great start. I'm 7 years older than you, but at your age I was around the same amount saved. My salary doubled between then and now and my 401k is approaching $500K... in my early 30's I moved my savings from 20% up to around 40%... if I hadn't done that I'd probably be only about half as far as I am now. My retirement date is aiming for sometime between 45-50. I also have two kids
Keep up the great work.
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