My strategy follows one basic rule.
Initially invest only half of the projected final amount. If the price declines, invest the other half as long as the story remains the same. Once the story improves, I buy more but the result is an average price that goes up.
CALCQ has been the rare "question mark" for me. Normally, I am fairly good at timing bottoms. My average cost is $.68. The initial buy was at $.82. I have paid prices as high as $1.00 and low as $.35. I continue to average down, but at a much slower pace.
If you aren't an Enterprising Investor, become one—you'll love making money like Benjamin Graham.