HACK PRICES OF PRODUCTS ONLINE !!!
5. Now as you can see below, this how is how your cart and price should look like.
6. Now in the proxy tab, make "interceptor on".
7. Now go to the website and refresh the page, Firefox will ask for confirmation click on "resend" then.
8. Go to burpsuite and your interceptor tab will look something like this if the data is not using encryption.
9. Simply change the price by editing it, I changed it to 0.03$ as you can see below and
your task is done!!