Botting with one account is more or less useless. Go for a 3 session key and 6 D3 Accounts. So you can bot in shifts a 12 hours. Works good for me. D3 market is pretty saturated but many ppl. are waiting for PVP. With PVP prices will raise and botting will bring you more money again.
dude u cant sell anything in the rmah .. u cant get back what u spent for the game , blizzard sold like 10 mio of cd keys im sure that 7 mio are sold to botters only... check gold value and u ll see