Apart from free amazon gift cards, you can check these offers. You can buy some of the products for free on amazon and give feedback to them.

1. JumpSend

You can get free products or products with upto 90% off on jumpsend in exchange for feedback

2. AmzRC

AmzRC is a famous review services for new sellers. As reviews are important in ecommerce some sellers give products for free in AmzRc

Registration is necessary to get these deals that are sometimes as high as 90 percent on tag price.

3. Vipon

Products are limited in vipon but there is a chance to get your favorite product there. so check it out. Registration is mandatory

Your reviews should comply with their standards. They send over a million codes per month.

4. Snagshout

Snagshout will give you a discount code or coupon upon registering. They don’t have a very wide range of products. However, their discounts are as high as 75 percent provided you register as a reviewer. Most products qualify for Amazon Prime deliveries.

5. Product Testing Co

Product Testing Co usually features more new and upcoming brands rather than popular ones. Furthermore, they provide discounts for reviews on Amazon and other various sites like Amazon.

Also, their selection of products available for reviewing for Amazon is fairly small. It’s an excellent website to get cheap stuff on Amazon if you aren’t really looking for specific brands.