Looking for some individual tickets(READ)

I'm 18 years old and im kind of new to this stuff, me and a friend are interested in buying some tickets. I'm a huge Bucs fan and I want to get 2-3 tickets for Game 1 against the titans and as well as tickets to the bears game on December 27th. I'm a little confused as to how much individual game tickets cost because on the buccaneers website it list tickets in sections 226-229(the seats we want to sit in) at 70 dollars. But if I go to buy them it brings me to ticket master where it list them as 90. I'm sorry if i sound stupid but im new to this and i was wondering if anyone could give me some advice to get tickets for the cheapest price. Thank you for the help.