The most important thing you can do to keep your AC not cooling on a budget is to take advantage of natural ventilation. Make sure that all the windows in your home are open when it is hot outside, allowing for natural air flow. You should also make sure that you open up your curtains and blinds to let in sunlight, as this will help keep the air inside cooler. Additionally, you should consider investing in some portable fans, which will circulate the air throughout your home and make it much easier for your AC unit to cool down. Finally, consider adding some trees or shrubs around your home,