Madden Ultimate Team supplies a auction house where you can purchase Madden nfl 20 coins and sell cards. Nonetheless, in the early goings, I strongly recommend limiting your time from the auction house. Alternatively, you should focus on your Item Binder, found under the Team submenu. From there, you can go through your cards to determine which ones you do not require. Just ensure you filter the cards based on position before you begin selling low cards so you don't sell cards at the incorrect positions.
Since most of the cards under 70 are easily replaceable, I suggest selling them for funds. Most will offer Training Points, but some may provide you a few coins here and there. Either way, these tools are exactly what you're searching for right now. Just go through every position and market all of the cards not on your lineup.Later on, when you buy far better cards, then I recommend trying to place those cards at the auction house for greater returns. Just scrap the low level stuff.
As mentioned in the first section, Training Factors come from selling cards that are non. However, Training Points also come from completing certain missions. Using these Training Points unlocks Chemistry slots to your cards. This permits you to better customize the way your cards play together. They may not boost the ranks of MUT 20 Coins for sale your cards, but aligning the Chemistry across your entire cards makes them perform better simply because they're all playing along with exactly the identical chemistry.For me, I prefer to use the West Coast Chemistry for my offense along with the Lock Down Chemistry for my defense.