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.
1 Accomplished do-it-yourselfers can cut costs considerably; materials for a single-car garage with a door but no windows start at $3,000-$4,000, depending on the size and style. dont know how the author figures a two car garage is 380 square feet, when most cars require a 24 x 24 foot garage which is 576 square feet, and that just gives you enough room to open the doors of the car.