You should re-read what you just typed, because there's probably hundreds of people reading your post who have had the exact same feeling with some altcoin before, then they tried to ride the profits higher and they vaporized taking them back to square one.  The fact is, the second any type of life changing profits occur in any asset, the price always craters right after.  What % bitcoin can rise in a short duration before said action occurs is up for debate though.  Having any type of life changing profit occur and then not taking any profit off the table is the definition of insanity.