IDK if you have a PayPal account. But if you do, you really have to switch to Chameleon Ads. They provide a good ad service and Kodular is one of the first to get the Android Ads. They have a higher RPM than AdMob meaning you can pay your house bills on time and have billions left to spend.
Refer to this to help you:
Not sponsored or affiliated by/with Chameleon Ads or @Chameleon .