Beyond the Grave focuses on equalizing and generally suggests buying life insurance. As folks get older, life insurance policies get extremely expensive, if the person is even insurable.
Giving one kid a valuable of real estate and little to the others seems a good way to create long term resentment for inequality, imho, even if the others were “helped” financially at other points. Selling real estate can involve capital gains that can be avoided if one waits until the elders die (but that can be a long time).
There aren’t quick and easy cookie-cutter answers to all situations, in my experience.