Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Suzanne is a content marketer, writer, and ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of ...

Imagine investing in a promising project, only to realize years later that it’s taking far longer than expected to recoup your initial outlay. Wouldn’t it have been invaluable to know upfront how long ...

Making a decision about whether to invest in an energy-reducing retrofit can be tough. As with any important investment, you want to be certain that the benefits outweigh the costs, and that your ...

The payback period is how long it will take to recover money invested in a project, and the so-called straight-payback-period calculation is the simplest way of determining the project's investment ...

Use a solar panel cost calculator using this formula to calculate the payback period. Plenty of metrics can help you decide which solar option is best for you, but studies show most solar shoppers ...