how much were slaves paid after the civil war

There were no slaves after the Civil War.

However, here's some information about former slaves after Emancipation.

http://historyengine.richmond.edu/episodes/view/5032

http://missmango5.wikispaces.com/1a.+Economic+and+Labour+situation+after+Emancipation

Also -- remember that in in 1860, about 80% of the U.S. population was rural -- and most were farmers.

http://www.allcountries.org/uscensus/37_urban_and_rural_population_and_by.html