I want to pay my late 60s parents $1,000 monthly for babysitting. They refuse the money: should I invest it for them instead?

"“I love this idea. It's super simple. You could sit down with her, do it in a few minutes, maybe 10 or 15 minutes, get it up and running, and then really set them up,” Croak said."

"“$900 a month over the course of 12 months is about $11,000, which will then begin to pay about $100 a month of income,” he said. “At the SPDR S&P 500 ETF's current dividend yield near 1.1%, $11,000 invested produces a modest income stream that grows as both the share count and per-share dividend rise over time.”"

"“Then comes the compounding. SPY trades around $740 today, after returning roughly 260% over the past ten years. That trailing decade ran hot. Long-run S&P 500 returns are closer to 10% nominal, and after subtracting core PCE inflation, which has run about 3% over the past twelve months, real returns land closer to 7%.”"

"“Run $900 a month at a 7% real return for 20 years and the portfolio lands near $469,000 in today's dollars. At 10% nominal for the same period, the figure is closer to $683,000. With parents potentially living a”"

A proposal to pay late-60s parents $1,000 per month for childcare is met with refusal of cash. Investing the money instead can prevent it from being spent immediately on discretionary items. A joint brokerage account is suggested so the parents hold the assets and receive investment income. Monthly contributions of about $900 into dividend-focused ETFs can generate modest income initially, then grow through reinvestment and rising dividends. Using long-run return assumptions, consistent contributions over decades can accumulate substantial real value. The main concern is that joint account mechanics can create complications around control, access, and ownership, making the account structure a potential point of failure.

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