❓ASK – Where to invest 40$ to get profit? | Proxies-free

I mean i was thinking to buy surf ads to promote my Rotate4all link which pays me 0.008$ per unique link , i want a website that is legit and offers a bonus *( in ads) so i can buy 40$ worth of ads and publish my Rotate4All link , also i was thinking about to invest in CryptoTab like which websites converts the best in CryptoTab , please i want answers from someone who have a little knowledge about and or maybe have tried !?