How do I calculate long-term savings?

Estimate yearly savings and multiply by the device lifespan. A smart sprinkler saving $300/year over a 10-year life saves $3,000 total from a $200 investment.

What has the highest long-term savings?

Smart irrigation has the highest absolute savings. A smart toothbrush has the highest potential savings if it prevents just one major dental procedure.

Best Tech That Saves Money Long-Term 2026