Quick Answer. Craving sour foods can be one of the cravings that women experience when they are pregnant due to hormonal changes, says BabyCenter, or craving sour foods can simply be a craving that exists due to brain chemistry, says WebMD.
1 Residential garbage disposals with a 1/3 horsepower (HP) motor cost about $50-$115; a 1/2 HP model runs around $60-$180; disposals with a 3/4 HP motor are about $120-$350; and 1 HP motors can be $150-$380 depending on brand name and quality of construction. If you can't install the garbage disposal yourself, it's generally not a difficult or time-consuming process and you can usually hire a handyman, for anywhere from $30-$150 an hour.
I had an old 1/2hp garbage disposal that died, so I went out and bought another one for $199. It's a 3/4hp one. The plumber is installing it now for $250.00. He says that this one is bigger and so some of the plubming needs to be adjusted.