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.
While garage construction costs vary greatly depending on the structure's style, size, materials, and features, most homeowners spend about $25,008 to build an average sized two-car garage. You will most likely spend in the range of $16,878 and $36,371, but that will depend on many factors.