Another way to earn extra bucks is with reading emails. Many companies provide service to pay when you read their emails. You will be payed .02-0.03 USD per email. This is not very good option , sorry to say

You can not earn any great amount of cash. First they are not going to send 2 or 3 emails daily , means you can only earn 0.06-0.10 USD per day , which is totally waste of time, however, there is another option that you can earn from affiliates. You should try yourself and see how does it work, HITS4Pay.com is a solution for earning from emails.