If they are pretax - You very well could evade taxes by spending excess money on acquisitions, allowing the stock price to increase based on future earnings. Then use step up capital gains when you die to avoid capital gains when transferring wealth to offspring.
Acquisitions are a capital asset and do not offset your tax liability. If a corporation earns $100 million and buys another company for $60 million, they still owe taxes on the full $100 million.
If they are pretax - You very well could evade taxes by spending excess money on acquisitions, allowing the stock price to increase based on future earnings. Then use step up capital gains when you die to avoid capital gains when transferring wealth to offspring.