Financial Physics Rule 15 says to follow the money. Don and Tom explain why an advisor's compensation still matters, how commissions and fee-based arrangements can muddy the picture, and why transparent fee-only advice and peer-reviewed evidence remain the better starting points. Listener questions cover choosing broad, low-cost bond ETFs without panicking over tiny short-term moves, a correction to the S&P 500's streak of double-digit gains, and why Roth conversions should be evaluated ...