Seems like a generous offer. TV is currently $1495 on sale at TGG (usually $1795). Model is 75A7HAU.
Bonus Hisense 75A7HAU TV & $20 monthly credit
When you sign up to the $99 ($79 after $20 credit) 300GB (includes 100GB bonus data) per month over 24 months mobile plan. Minimum cost $1896 after credit. Offer ends 15/6/2022.