Software company 37Signals has decided to pull its seven cloud-based apps off Amazon Web Services, citing high costs.The company's co-founder, David Heinemeier Hansson, stated that they were paying an 'absurd premium' for defense against usage spikes.In 2023, 37Signals expects to save $7 million over five years by purchasing Dell server gear and hosting their own apps.Their decision to move away from AWS is part of their ongoing efforts to cut costs and gain more control over their infrastructure.