As a play therapist supervisor, I know that training and supervision to become a play therapist can get pricey. While it’s not possible to get all of the training you need for very cheap or free, I think it’s important that those interested know that there are free trainings and low-cost trainings available.
Please check out the following links:
https://courses.jentaylorplaytherapy.com/pages/free-online-play-therapy-training
https://playtherapytoolbox.com/blog/best-online-play-therapy-training-websites