The advantages are: 1  they are easy to dig in most areas. 2  they are easy to disguise after use. 3  they are private.  they disperse the waste rather than concentrate it (which enhances 1  decomposition). it is usually easy to select an out of the way location where you can be certain no one is going to casually encounter the cathole.
For the building of the garages, the typical costs will include: 1  Two car - According to Hanley Wood and their Remodeling magazine, the cost to construct a standard two-car garage addition is $58,432. This translates to $86 per square foot; and.
According to CostHelper, contractors usually charge $35 to $45 per square foot for a basic garage, and up to $55 per square foot for a garage built with higher quality materials. For a basic single-car garage, that comes to between $9,240 and $11,880. A higher-end, single-car structure might cost as much as $14,520.ccording to Garaga, a single garage should be at least 12 feet wide by 22 feet long (264 square feet), and a double garage should be 18 feet wide by 22 feet long (396 square feet). Building bigger can bring the price up. Costhelper says an 850-square-foot garage with plenty of storage space could cost $38,000 or more.