Sunny Health and Fitness SF-RW1205 12 Adjustable Resistance Rowing Machine The Sunny Health & Fitness SF-RW1205 12 Adjustable Resistance Rowing Machine ($113) is one of the most cost-friendly options on the market for rowing machines. It has 12 levels of adjustable resistance and a digital monitor. Its compact design takes up little space and is easy to move. Image Source: amazon.com Sunny Health & Fitness SF-RW1205 12 Adjustable Resistance Rowing Machine $113 from amazon.com Buy Now