Another thing you should know is that buying on dips is not compulsory at all dips. If you don't have extra discretionary income to buy the dip don't buy. People do mistake of using money meant for emergencies to buy the dip and
Bitcoin investment should be like "out of sight, out of mind", means you should keep them in a way that you don't touch (use) them very often. That's possible only if you have cash available to meet your daily expense and emergency needs. How you balance cash that goes to bitcoin and in your daily expense differs from person to person and that's only an individual can manage that how much is good enough for Bitcoin.
when an emergency appears in the future they go back to touch their investment what is now the essence of buying the dip then it will even be worst if when they tamper their investment the market is in a downtrend this means they will lose some value of their money in the process.
Even if Bitcoin price went down for some reason it will eventually recover in the long run, make sure you have a strategy that takes full advantage of Bitcoin long run price gain. If someone keep touching his Bitcoin after short intervals, he might not be able to get full benefit of bitcoin investment.