Complaint Review: Comcast

I called into Comcast because I knew I was cancelling and I didn't want to get a early termination fee, They first tell me I can cancel on March 15th 2018 with no ETF, My bill comes in and I see it is higher than normal, because bill is prorated and I find out my grandson rented Jaws and Jaws 2 and i request that they both be refunded because my grandson is 3 they refused to refund 1 because it was played through and the other they refunded because it was only played for 1 minute. so that's why my bill was so high, and they say I have to cancel after March 20th 2018 because that is when my contract ends, but my bill was suppose to be $178 refund of $4 for a Jaws movie equaling to $174, which I paid on March 16th 2018,

I called back on March 21st 2018 to cancel services and I asked them if I will have any other fees, They tell me no and I should receive a check for the amount of renting the equipment, They tell me how much and I ask when I should receive it by. I cancel and return my equipment that day so I should not have any other fees or even an account I should be able to log into. I log into my bank account and I see they charged me an additional $10 on March 23rd 2018 so they pulled $10 out of my account after my account was cancelled and without my knowledge. I have called them and and they refuse to refund me that $10 claiming it is for the same 2 Jaws movies my grandson rented. I am almost 70 years old and they could not careless that I am on a fixed income. I suggest going elsewhere for cable, internet, and phone services. I have been a loyal customer for 4 years always early with my payments and when I decide to cancel services I am not a spec of dirt to such a big company.