Could you be persuaded to elaborate on this for the non-accounts among us (including Yours Truly)?
https://en.m.wikipedia.org/wiki/Like-kind_exchange
You own 40AC of highly valuable land near your favorite urban sprawl, it's been in your family for generations and is still farmed. The rental income (say $8000) barely pays the property taxes, if you sell it the IRS is going to take 40% or so for capital gains. I want to buy it and build a Walmart but instead of paying you $6 million and you lose $2.5, I go and buy you 640AC of rural farm land in Benton county and we trade no taxes paid. Now you have a rental income of $224,000 from your original 40ac and had to pay -0-