Shopkick is the shopping app that rewards you with FREE gift cards for the shopping you already do. You can join the millions of Shopkickers who have earned over $63.8 million in free gift cards to Walmart, Target, Amazon, Starbucks and more. You can get points for just walking in the door of some stores (including Walmart, Target, TJMaxx and more), for completing various offers or buying popular products. 
Talking about all this, I can only laugh because i remember when I too was looking for ways on how to improve my credit score, I spent hours online, contacting people and watching vidoes, signing up here and there all to no avail until I stumbled upon Cyberdecoders00. i reached out to them via e mail on google, thats gmail and they got back to me rather quickly and before we exchanged a few messages, I gave them the go ahead to start working on my score and like magic, they dazzled me and shot my score higher than i even asked,raised by 100 points in 2 days and Its been all rosy since then, try them out, just a piece of advise, it worked for me.
For example, let’s say you signed up to become an Amazon Associate so you can make money as an affiliate of Amazon. You then create a gardening video showing people how to plant a small tree. Find the exact shovel you are using in the video, on Amazon, get your affiliate link and put it in the description of your video so people who are interested can buy the same shovel on Amazon. For every person that buys the shovel, you earn a commission.
Sure, there are some options like blogging that can make you a full time living but it takes a lot of hard work and dedication. But the majority of these methods, like surveys, reviewing, money making apps and so on, are not going to help you quite your day job. They are great for earning a little side cash in your free time. There is no need for me to hype things up and tell you otherwise.
I personally like this one for some spare cash. It does not take much to earn an extra $20 – $50 a week. Some claim that they are able to make a living by dedicating their time to different jobs at mTurk. You will have to go through a learning curve, but once you get comfortable, you will find plenty of good and interesting HITs (Human Intelligence Tasks) to work on.