The description of what you could do sounds enticing. If it is so nice written down, I bet it will be even nicer when enacted.

Also, since the child does not have special needs, while you are a special ed teacher, you are, sort of, OVER-qualified to entertain him. I hope this point will give you some reassurance - you know MORE than an average person does about entertaining children. I remember that you made that point yourself, but with the purpose of highlighting the fact that your babysitting services would be exorbitantly expensive given your level of skill and the number of years in training. This is true. But also, and independently, that means that you will succeed with all that advanced level of skill and all those years in training.