I got my mantis years ago. It is actually 2 stroke 50:1. When I got it there was a deal which got me lots of accessories. I have used quite a few tillers over the years. Way back I had a Howard Rotovator but the heavier machines can be difficult to handle. As steve says, why not check out the 2nd hand stuff. I often see ads in the local press. The Mantis is relatively lightweight and can be folded to put in boot of a car. After the cultivating tines I find the next most useful attachment is the scarifiers which do a good job on the lawn. I suppose cost is proportionate to the amount of use it will get. Useful for tilling freshly dug ground. Don't expect a tiller to cultivate old hard packed soil. No way. Once dug in the first place and largish stones removed it does a good job.