Thomas BarwickADT Inc. (NYSE:ADT) recently noted an increase in cost due to a greater mix of interactive and smart home solutions as well as cybersecurity upgrades, which could enhance future net sales growth. Besides, I think that the fast-growing do-it-yourself market could enhance future net sales growth in the coming years as it happened in the last quarter. Given previous positive free cash flow and business growth, ADT's discounted cash flow model implies a valuation that is higher than the curren ...