So I bought this house and the previous owner built a large addition to his garage. I am looking to separate out the spaces and make the front area more of a woodshop/shed and the back area maybe a game room. My concern is the floor in the front area, its has large cracks and I am looking for a cheap solution (sub $500), maybe plywood over the entire floor glued down? Maybe rubber tiles to cover the area. I am trying not to invest a lot of money into having professionals come out and fix it for thousands of $$$. Tempted to try and use self leveling concrete but I am not really sure how easy that would be. Any thoughts or suggestions would be appreciated.