GPT business is a lucrative one but you need a lot of members to be able to make some bucks, i will suggest few ways to earn more money from your GPT website since you do not mention your current method/s of monetizing it.
1, Offerwall
2, Games
3, Monetize your shorten link
4, PPD methods.
I have 1 & 2.
Point me in the right direction for 3 & 4 if you could.
I have quite a bit of traffic as well
Great, you will need to tell me your website address in other to further assist you since
in online business.
There are more websites for the 3&4 above.