Here some info about Xlentopps:

Earn 2% per day for surfing only 15 sites
Each site will load for only 15 seconds
Upgrades are only $5
$5 Upgrade bonus. Spend $5 and earn on $10
Upgraded members may cash out every day
Each Upgrade (or spend) lasts a total of 75 days
Max Upgrade Amount for any account is $3000
Do the math and earn 150% in less than 3 months!
Referral fees are 10%
Instant Payouts for Upgraded members. No Minimum. Payouts made automatically 24/7