As sometimes the mosquito repelling machine runs out empty we should not throw the container but fill the container with kapoor used and add some neem oil in it and apply it into the machine it works effectively i have tried.....
i don't know much about home as i don't do any work at home and i have not heard any trick useful for home.
Try this site: http://www.housebeautiful.com/lifestyle/organizing-tips/g2950/best-home-hacks-of-2015/?slide=1
I don't know if this counts but I recently picked up an Arduino and connected some of the lights in my house to it, so that I can control the lights in my house on my computer. It turned out to be a really cool and practical project If you're too lazy to get up and switch your lights on/off all the time, this could be a cool 'hack' for you