Yeah, that's a good thought. I have used my full-sized chainsaw to cut out some wood. Although I could do some plunge cuts with my chainsaw, I could not get it to carve out the wood - safely - as I was getting kickback on the chainsaw. Although I have used chainsaws for 50 years, I don't use them every day for a living, and when I get kickback on my chainsaw, I know I'm not safe.
My Ryobi pruning chainsaw also has a safety cover on top the chain blade. I think that would make my pruning chainsaw useless for carving out a stump.
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FWIW, the current retail price on the tool only
Ryboi 6-inch pruning chainsaw is $99.99. As much as I like and use my Ryboi pruning chainsaw, I think the Menards pruning chainsaw kit on that Flash Sale for $17.79 is a much better deal - assuming the saw works as it should.

I don't know how Menards can sell that chainsaw kit so cheaply. But in the past few months, I have bought a new budget table saw and a miter saw from Menards when on sale. Both those house brand saws are working out great. I figure I saved about $350.00 on those purchases compared to comparable name brand saws with the same features that I looked at locally at Home Depot and Acme Tools, and online at Amazon.

I talked to one older gentleman there at Menards, and he told me that they had some training sessions where they were told that their house brand tools come from some of the same Chinese factories as the higher dollar, name brand tools. It depends on the tool, of course, but sometimes the only difference is the outer casing, the color of the plastic, and a few decals.

But I have a long history of buying the house brand foods at the supermarket to save money as well. So maybe buying house brand tools at Menards fits with my needs. Well, certainly my budget. I will pay extra for name brand stuff if there is a noticeable difference, but I have to notice and appreciate the difference.