The basic demand and supply concept is key yes but the AMD is how those demand and supply concept works if you are buying at a discount or demand level, you need to picture what price is doing at that level, which is what AMD helps you in doing, if you master it very well like the charts I have shared if you check closely some are demand levels some are supply levels but you need to see the picture clearly if not you will become the liquidity for price movement
Infact before trading a demand or supply level always expect that the level could be swept at anytime so if that level is not swept yet, your money isn't safe at all
Look at the BTC chart you can see the market was already selling massively, infact so many were on that trade and price was moving smoothly all of a sudden a sweep happened there and immediately those SL were taken price started going smoothly to the downside so just see it that way yes supply and demand concept but if that supply or demand has not been swept don't be very confident of your money you can see the sweep of 77841