No not an accountant but that education would be GREAT for this business. I'm a Registered Nurse.
For me it's about taking great care of the kids in a healthy environment while making MONEY. Having a kid wetting and pooping in their clothes and on my furniture and carpet is going to cost me time and my time is worth money. It's going to compromise my belongings and THAT is going to cost me MONEY. As long as the parents are willing to pony up the money for their beliefs then we are square. In this scenario they are just ponying up words. That's free to them. If they are correct and she is ready to go into undies then it won't cost them a dime. If they are wrong then THEY pay. Once they know THEY pay then they may consider that diaper money is more affordable then cleaning money.