You can get a fast and cheap boost to some other team

You can get a fast and cheap boost to some other team by doing the Gingerbread sets in the winter voucher. Two 80 OVR players earns one gingerbread token, and people can enter sets for a 91 HB (3 tokens), a 92 WR (4), and a 93 LOLB (6). You can find all three for 26 80 OVR players, which shouldn't cost more than 70K or so. When you do not need the three, put them in a TOTY set (offense or defense) and you're all the way to a 96.

Start don't invest your coins and with solos. TOTY NFL 100, Super Bowl and Theme Builders will get you 94-96 NAT cards in the solos. You can fill holes on your own team with Ultimate Legends you get from their solos and power ups. You can produce some coins that are good and get a few 88/89 OVR cards form the ones UL solos. Grind those solos and then keep leveling up out of enjoying. Play with draft if you have to play H2H.

Them All. As many as you can. The new show drops so I'm sure prices will be way cheaper. You need to invest your time grinding those solos and leveling up as far as possible. Each time you raise 5 levels you're getting a new power up pass to utilize because a free card at a power up. Saturday morning/afternoon is a superb day to purchase cards for cheap. I would you do not have all that stuff completed by this Saturday, I'd say wait till next Saturday and your team may be quite good.

Because Madden has been out as long you're going to battle online right from the gate. Should you want to play online, you can get 15k coins and play with MUT Draft, and that's an adequate way to create coins if you're able to win. Your very best bet is degree grinding. Next 11, service solos will give a free 96. Blend solos will get you a DK Metcalf which you are able to upgrade to 95 OVR for affordable. Theme Builders 2 will give you a 95. You will be given legend powerups too as a few 87-88's by ultimate legends. Journey Diamonds will provide you the best 3 cards to get almost any team set to make a diamond (three 89-ish overalls).

You can read more product information on https://www.mmoexp.com/Nfl-20/Coins.html