I am just starting and do not have hardly any accounts set up . I want to start out with as little investd as possible. I am looking at a used 2004 cub zforce 1844 zt. Very nice cond. 127 hrs. 18hp briggs van guard twin $2500.00 This is as you guy's are aware of is a residential unit. I anticipate 10 - 15 jobs per week to start from one to three hours of mowing each. Any experience out there with this or similar unit? Any advice on a good res unit to keep an eye out for. who makes the best res. zt.