It is difficult to provide a definitive answer to the question of what the minimum budget required to purchase a decent camera is, as this can vary greatly depending on a number of factors such as personal preferences, intended use, and desired features. However, based on the information provided, it appears that it is possible to find a decent camera for a relatively low price. For example, the Sony Cybershot DSCW800 is listed as one of the best cheap cameras for 2024 and is available for around $150. Additionally, the Panasonic Lumix DMCTS30 is another affordable option, with a price tag of around $200. It is worth noting that there is also a big used market for cameras, which can be a good option for those on a tight budget.