Have you tried many online money making techniques in which there is an initial investment and didn't found anything promising?

Most of the time people go to meetups, networking events etc so that they get to know about e-commerce, how e-commerce work and try investing some money into Shopify stores, drop shipping stuff and many other ways by which they would like to make some extra cash.

Even if you're doing drop shipping it has lot of inventory, lot of supply chain management in the whole process.

what I mean is something like a small software or code which you need to create.

I was traveling to Austria and I was taking multiple pictures on the way and I took many pictures like; I was sitting on the corner of the castle wall, I was walking so I took some footage of my shadow, I took a picture of a tree and etc., as I have a simple iphone 7 camera which is like I don't know 10 or 12 megapixel it takes good quality of images though.

You can find the full article here (How to earn money without investment through mobile)