After reading through information on capital gains tax and estate tax, I read that a heir of an investment does not have to pay capital gains on that investment. That is it's transferred free and clear as long as it's under the $11.2 million inheritance exclusion? Also, a single person is able to gift another person up to $15k/year free and clear, or $30k for a married couple.
With that said, would it then not be possible to regularly gift a trustworthy relative money that they would then invest, and agree to will back to you when they pass (assuming that's before you) which you'd then receive with no tax imposed?