Which would you guys choose? My situation is that I have some commercial and some residential lawns. I work nights on Fri, Sat, & Sun so I mow half a day on Mon, all day Tues, family time on Wed "which lately I have been working half a day on", all day Thurs, and half on Fri. Reasons for wanting to add equipment are: 1.I have all I can do alone right now and still keep the weekend gig which is a good one and want to keep growing. 2.Wanting to hire someone to help a couple days a week and only have a 52" ztr and a 21" push to mow with. 3.Have had to turn down some residential business because my 52" wouldn't fit through gates. 4.Have 1 property that I do that have some steep banks that the walk behind would be benificial for. 5.I am trying to get it down to where I can spend Wed with my wife and 2 young sons or at least leave that day open for a rain day... A 36" or 42" residential ztr would be cheaper and would be more appealing to anyone I hired but I am thinking that a good new 36" walk behind would be more versitile and probably last longer. I would appreciate any thoughts..