Which is a savings of 36 per month during the season and 56 in the offseason.
36 x 4 mo. + 56 x 8 mo. = 592 dollars saved. Thats almost %33 of what your paying now. Thats significant savings IMO and thats going all out with all the major streaming services. You probably don't need Netflix and Hulu (lot of the same content) and prime is more than just streaming service and has tons of convenient features.
No commercials, watch whatever you want, and even if a show or movie is unavailable to stream for free you can rent/buy it on prime (and spend some of that money you saved to own the content) and still not come nearly close to what you were spending. Prime movies are all at minimum 1 dollar cheaper to rent than ondemand. Plus you will have 100 times more content available.
Not even close to what your paying for cable, 56 off a 140 dollar bill is a lot of money!