Ah that’s too bad, but this experience will definitely give you some practice in breeding and raising toadlets. If it’s something that interests you you can look into getting permits or something to legally sell captive bred specimens, or you can see if you can some from other sources. Because American Toads are so easy to find in your yard, it makes captive bred specimens less attractive to most, but I guarantee you you’ll find most dedicated keepers will gladly pay the extra for captive bred toads. They’re honestly the perfect pet amphibian in my opinion - easy to care for, personable and fun to interact with, and very hardy