How to use simple TRENDLINES to effectively map price structure

This is a simple video tutorial on how to use simple trendlines to map trends and also invalidations points that will act as support and resistances.

Despite being a manual method it offers a lot of flexibility because it adapts with pace of the market and helps marking important price levels that are likely to become relevant in future price action.

Generally speaking the weekly or bi-weekly chart should be the starting point for this kind of analysis. But it can change depending on the market and past history.