One small tip I'd like to add: Writing code in Conditional Breakpoints - So lets say you want to modify the value of PRICE, but only if ASIN == 'XYZ', then you

One small tip I'd like to add: Writing code in Conditional Breakpoints - So lets say you want to modify the value of PRICE, but only if ASIN == 'XYZ', then you can write: if(ASIN === 'XYZ') { PRICE = 20 } as the condition for your breakpoint and instead of breaking at that point, the value of price will be changed only for that ASIN. Helped me a lot during involved debugging sessions.