One of the best ways to make money in Pokemon Sun and Moon is to catch certain Pokemon that people want to see. Fans will see this early on in the game, such as when you into run a lady in the Hau’oli City Pokemon Center who will ask you to bring her a Drifloon.
Thankfully you can find a Drifloon pretty quickly in the area. It’s found in the Hau’oli Cemetery, which is just east of Route 2. You’ll want to head over there during the day, because that is the only time you can catch it. If you head to the cemetery at night, then you’ll just run into Misdreavus, which is great for filling your Pokedex, but it won’t help you get some extra cash.
Of course, if you usually play during the night time this might be a bit harder so trading can always be an option with friends. Or you can always take advantage of the new QR system, which allows you to scan a QR code and add the entry to your Pokedex, which means you can save time and Pokeballs without actually having to go catch Drifloon, while still getting useful information like where you can find it for later.
Make sure to check out our Pokemon Sun and Moon wiki for any more tips, tricks and everything useful.