If you are looking for the cheapest coffee makers to fit into your budget, the best will be the Aeropress coffee makers and drip brewers. Though the drip brewers are a bit more costly than the Aeropress ones, the quality of the coffee maker and produced coffee is much better than that of Aeropress machines. But if you have a very tight budget and are looking for a temporary solution to your coffee-making problem, the Aeropress would be the best, and it is also effortless to handle and maintain.