The daily round really is only minutes long
Start with the honest good news: no single day with a green tree frog contains a big job. You mist the vivarium to raise humidity and leave droplets on the leaves, check the shallow water dish and change it if it is fouled, glance at the thermometer and hygrometer, and look the frog over where it sleeps. On feeding evenings you add dusted live insects after dusk and watch for a few minutes to confirm the frog is hunting. Spot-cleaning is picking out droppings and any dead insect with tongs.
Measured on a clock, this is one of the lightest daily routines in the exotic hobby, closer to caring for a houseplant with opinions than to walking a dog. Nobody should be put off this species by the minutes involved, because the minutes are not the issue.
Why the frog cannot simply be left for a few days
The maintenance demand is not time, it is unbroken consistency, and the reason is the frog's skin. A green tree frog absorbs water, and whatever is dissolved in it, directly through its skin. A water dish left dirty for days is not just untidy, it is something the frog is effectively bathing in and taking in. A vivarium that dries out because nobody misted it leaves the frog dehydrating in air it cannot escape.
Tolerant reptiles shrug off a neglected long weekend; a frog often cannot. Humidity, clean water and stable warmth have to hold every day, including holidays, work trips and the week you have flu. So the real question when choosing this species is not 'do I have ten minutes a day' but 'is there always someone who will do those ten minutes', which is a different and more useful question.
Skin, hands and the habits that protect both
Daily care also has rules that other pets do not. Frogs are handled as little as possible, and only with wet, clean hands or gloves, because dry skin, heat and residues like soap or lotion damage the frog's own skin barrier. The daily look-over replaces handling as your health check: posture, skin condition, whether the frog moved to its evening perch, whether it hunted.
Water discipline runs through everything. Misting water and dish water must be dechlorinated or otherwise made frog-safe, because the chemicals that make tap water safe for people are harmful to amphibians. Keeping a prepared bottle of treated water by the vivarium sounds fussy and is in fact the small habit that makes the daily round both quick and safe.
Planning cover is part of keeping this frog
Because the jobs are tiny and specific, they hand over well, as long as the handover is written rather than assumed. A helper needs to know the misting rhythm, the treated water, the no-dry-hands rule and the feeding evenings, and 'look in on the frog' conveys none of that. Owners who travel write it down once and reuse it every trip.
That written routine is where KinsLe's Care Teams helps with a green tree frog: the misting, water changes and feeding evenings become assigned duties a family member or helper completes and marks with a timestamp, so you know the frog's unbroken chain of care stayed unbroken.