Should i sell my old Bow?

I just bought a New DXT equipped and it was $1030 and i love it. What should i do with my old bow, keep it as a backup, or sell it. It is worth with the stuff i have on it around $700 and it is about 2 years old so what can i get for it if i do sell it? Its in good shape. O its a Diamond Triumph By Bow Tech