Here you go Max. Go with a folding model to save space (they spend most of their time not being used). The first one includes a leveler. However, you can find these locally and save the shipping.
http://www2.northerntool.com/product-1/200305213.htm
http://www2.northerntool.com/product-1/200317240.htm
http://www.tndtools.com/site/515842/product/c-cp-f
Todd.