Sharing and trading of modules is a violation of the EULA and is not longer possible.You cannot now sell or trade your DCS modules. They are tied to your account.
3. LICENCE CONDITIONS
3.1 Except as expressly set out in this Licence or in clauses 4.1 and 4.2 below, or as permitted by any local law, you undertake to use the Program for your own personal use, and you shall not:
(a) sell, trade, rent, lease, sub-license, merge, adapt, vary, modify the Program, or any copies of the Program, without the express prior written consent of TFC;
Eula: https://www.digitalcombatsimulator.com/en/support/license/