Every so often someone asks me if there's a way to earn a little money with technology they already own, no courses, no startup costs, no nonsense. My answer lately has been stock photography, and I want to walk you through it because it's one of the few side hustles that doesn't ask you to buy anything first.

The idea is simple. You take photos, upload them to a stock site, and when someone licenses one, you get a small payment. Pennies at a time, usually. But photos sit there earning for years, and those pennies add up if you keep at it. I remember when the only people who could sell photography had thousands of dollars of camera equipment and a darkroom in the basement. My father-in-law had one, that familiar vinegar smell drifting up from the basement steps... Now the phone in your pocket is genuinely good enough, and honestly that still feels a little miraculous to me.

The source article I read focuses on women in their 50s starting this as a side hustle, and I appreciated its practicality. First tip: shoot scenery and everyday objects, not people. Landscapes, food, hands doing things, your garden, seasonal decorations. Scenery sells because it's usable in ads and articles, and it neatly sidesteps the whole thicket of model releases you'd need for recognizable faces. Your morning coffee arranged nicely on a table? Stock photography gold. Who knew.

Second, light matters more than gear. Shoot near a window in daytime, wipe your lens first (yes, really, mine was smudged just yesterday), and keep the frame simple. One clear subject beats a cluttered background every single time. If you want to understand why your phone camera makes the choices it does, Marcus wrote a lovely deep-dive on computational photography a while back that explains it far better than I could.

Third, choosing where to upload. The big names are Adobe Stock, Shutterstock, and Getty's iStock, and they all have free contributor programs. Start with one, learn what reviewers want, then expand. Smaller sites can be easier to get accepted on but pay less and get less traffic, so I'd go where the buyers actually are.

Now the part nobody warns you about: the review process. Every photo gets inspected, and early rejections sting. Common reasons are noise in low light, composition issues, trademarks visible in the frame (a logo on a mug will get you rejected), and over-editing. My advice is the same advice I give my granddaughter Jess about auditions: a rejection is information, not a verdict on your worth. Read the reason, fix it, resubmit a better photo.

A few honest cautions. Don't expect income quickly; think of it as a slow-building stream, not a paycheck. Keyword your photos carefully when you upload, because good keywords are how buyers find you. And please skip any site that charges you to join. Legitimate stock platforms pay you, never the other way around.

What I like about this whole idea is that it fits my oldest rule: technology should work for you, solving a real problem, and this one happens to be a small income stream built from walks you'd take anyway. If you've got a phone, a window, and a little patience, you already have everything you need.