MP -- a little this, a little that and then off i go !
The problem with trendlines is that you need at least two points to draw one. By the time you get a third point that looks like it's on or around the line, you start thinking there's some magic to it. But there's not. Trendlines give an indication of trend and momentum.
Your comment about them being a road map is actually a good analogy.
For the same reason you don't use your map to tell you where to refuel, you don't use trendlines on themselves to tell you the exact entry/exit.
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actually, look before a trip one can plan their refueling stops based on known mileages between locations and the mpg the vehicle achieves, so its a rather easy bit of math to handle.
while they are perfectly good at giving exits, it is more precise (if im leaving a trade overnite) to use support and resistance --- easier to read on the chart and makes me more secure (remember, these trades are happening while i sleep and i cant baby sit them)
its easy to get "stuck" in using one method that works -- im probably a bit "stuck" about the LRC myself, but ALL i have ever said on this site is to LOOK at them --- nothing i presented is a "system" in and of itself because i use many combinations of events during my trading, adopting to what is happening before me, and it simply works for me --- for YOU and others all i have ever asked is you take a look and see if it could help or perhaps improve on the "system" you use.
oh, btw --- an interesting note here ---- over a period of years i have butted heads with many a person. Those who are patently "crooks" have not survived long and amazingly, some of my staunchest critics have become trading partners, as we both come to recognize the worth of our individual thoughts.
i have said what i have to say about you, my thoughts as to the origins of your thread, and having gone thru that, its gone, because no matter what i think, there is no way of "proving" anything and if one cannot prove, then one has to drop the discussion !
so further down the road, i would NOT be surprised to see us actually speaking civily to each other, and perhaps drawing on each others knowledge --- I may very well be a cussed old SOB, but im also a very FAIR cussed old SOB, so lets see where the future takes us, huh ?
life is funny, and then you spend the rest of your time, buried under 6 feet of dirt and holding your breath forever !
enjoy and trade well
mp