Me doing sewing work to receive tiller in trade. But I charge by the hour. So I need an estimate of value, to know if I am willing to do that much 'free' work. I have a tiller that works-for now. My neighbor keeps it working, and we both use it. But it has a limited life.
For the next few months, cash work is what I really need. So, the value of the tiller-to me-is low. Come spring, that value may go up...
Also he is for the foreseeable future in an apartment, no garden possible.
I've stopped tilling and just use a broadfork. But when I was more tiller involved, rear tine tillers were much preferred to front tine ones like that. The front tine ones try to pull you across the garden, the rear tines drive you across with the wheels and the tines just fight the wheels while you go along for a walk.
I'd check craigslist or other resale sites in your area for a value. I'm guessing $200 but that's just a guess. You don't see many newish front tine tillers anymore.
I have a Husqvarna very similar to this, except mine is a rear tine like Mike mentioned above, and I don't use mine much anymore either after discovering permaculture . I like the brand though, it is pretty easy to operate, well made, and plows super easy. When I do use it now, generally for landscaping, it works really well.
I've never had a front tine, but like Mike mentioned I've heard they can be harder to operate. I was thinking about that same value as Mike also. Hope this helps!
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If you do not really need it, I might just pass on the deal.
I had something similar happen when a person suggested I take a trailer for free, in exchange for doing some welding on a 5th wheel trailer he had. It was a good deal, BUT I do not really need a trailer. Then he delayed it in getting it to me, so it got froze into the dirt and ice. Now he needs it and I cannot move it to where my welder can reach it. Now feelings are hurt on his end. He can have both trailers, again I do not need either one of them, and feel bad about not doing the work, but just cannot do it.
If you really do not need it, I might just pass on the deal.