> First, this type of planning is generally not economically feasible unless the taxpayer has a net worth exceeding around $300M. If you’re worth less than that, you’re not going to be able to command attractive loan/line of credit terms from investment banks. You’re going to have to get a plain vanilla product from a retail lender which is going to have relatively high interest rates (typically the Secured Overnight Financing Rate plus some amount of spread) and other terms that make implementing “buy, borrow, die” expensive enough that you aren’t much better off (or you’re much worse off) than you would have been had you sold the asset and taken the after-tax proceeds. (Caveat: even loans/lines of credit at retail interest rates can still be very useful for short-term borrowing needs.) Clients with a net worth exceeding around $300M, however, can obtain bespoke products from the handful of lenders that specialize in this market, and the terms and conditions of these products make “buy, borrow, die” a no-brainer for virtually everyone who has this level of wealth.