You can earn money buy selling your clash of clans account.
If your townhall is higher and your bases are not rushed and you have lost interest in playing clash of clans,then this is the best time to earn money by selling your account.It's totally true and i have sold my account for $23.
Here are some interesting ways of doing that:
1.You can put your account for sale in ebay.
2.You can also visit these websites to sell your account:
(a)PlayerAuctions:https://www.playerauctions.com/clash-of-clans-account/
(b)Beta g2g:https://www.g2g.com/clash-of-clans-global/account-19955-19956
(c)AccountWarehouse:https://www.accountwarehouse.com/buy-clash-of-clans-accounts
(d)PlayerUp:https://www.playerup.com/accounts/clashofclansaccounts/