Discounts/Rebates

To maximize profits you can use discounts and cashback, these are especially helpful for brick flips.

Discounts and Cashback

https://www.retailmenot.com/

https://www.joinhoney.com/

https://slickdeals.net/

Cashback

https://www.topcashback.com/ref/hellofreemoney

https://www.rakuten.com/