At home you surly have coins. So, by using these coins best contrast pictures can be clicked. Try shooting them using few old and new coins. And of-course, little bit of editing.
If you have any bird feather at home can you have good pictures by using that feather.
Nature and its creations are unique and cannot be recreated to produce the same effect. That is why people of art (photographers included) have always drawn their inspiration from nature.
I bet that no one will ever guess just by looking at the image that you have feathers as your macro photography objects. They can be photographed in a way that will showcase their amazing patterns and colours.
I know it is funny but you can find mosquitoes near you anytime. There are so many of them around us, which means that you can take hundreds or even thousands of photos without repeating yourself. There are many different ways to click them. And also its on your creative mind.
4. Water drops
This is something you can totally fake, you do not have to wait for actual rain or start shooting early in the morning. Get some things to use as props for macro photography, like a branch or some leaves.
Try shooting them with the drops of water on. If you are lucky, you may capture raindrops falling on the objects. You will create a sense of scale while keeping the composition simple.
If you are not disgusted by insects, you can make these nature creatures your tiny models. Macro photographers love shooting them.
There are so many of them around us, which means that you can take as many as creative photos you want.
With a powerful macro lens, you can get really close with your subject and show some meaningful details like eyes, a teardrop, Wrinkles in the corners of their eyes, etc. Look closely at your model and you will find some good macro photography ideas.