WONDERING WHEN IS THE PERFECT TIME TO INVEST IN UNIT TRUST????

As some of us may know that now-a-day the most common type of investment is in term of unit trust......unit trust basically is a pool of funds where you are investing to......this way you can diversified your investment.......the risks of this kind of investment is depending on the types of funds they investing in.......the risks may varies from low to high risks.....as we says that "high risks high return".......In other words the higher the risks of you losing you money the higher the return you'll get......The BEST time for you to start investing in unit trust is when the NAV (Net Asset Value) of that certain particular unit trust that you are intrested to invest in is LOW......as the lower the NAV the more units you'll get.......unit trust is an open-ended investment meaning they don't have maturity date you can sell your units when ever you wants to sell it.........In a matter of fact you SHOULDEN'T sells your units when the NAV is BELOW the NAV when you bought the units. when you do this you will lose some of your investment monies.......