This includes interests in family businesses. That would also make it easier to keep inherited wealth in the family. Trump has also indicated that he would limit charitable deductions, which has some worried that less money will go to charity. Taxes such as the gift tax and the generation-skipping tax could also be repealed.
Of course, until Trump proposes legislative action we cannot be certain what he will do and whether it is likely Congress will agree with the plans.
An estate planning attorney can advise you on creating an estate plan under the present tax codes as well as keep the plan up to date with any changes in the future.