you have a good point and evan tho some of what you sied does apply to me .so far in three years I have never seen a major loss.
I am just a small home based business tho.right now im paying 4 dollars ea for complete towers. ea tower takes me 4-6 min to tear down.
as a total I make a average of 9 dollars per tower .my rule of thumb is
if your bank ccount never goes lower than what you spend your doin ok