Menahot 81: In Exchange

More on the mnemonic and exchanging a korban todah -- what if the exchange and the original are confused? And then what if one dies? The mnemonic addresses the possible solutions. Also, when one takes a vow to bring a thanksgiving offering must also bring the loaves. But what if the formulation of the vow shifts the focus? But what money can he use for the offering? Sacred or "regular?