Benefits of a Top Handle Chainsaw
A top handle chainsaw key feature is that it does not have a rear guard. This makes the chainsaw more compact and easier to sue in tight situations. It also allows the chainsaw to be used with one hand which can come in very useful when in a tree, cutting a branch or at the side of your house if space is tight. The final key benefit of using a top handle chainsaw is that they usually have a smaller engine than a regular chainsaw which makes it the ideal starter chainsaw for beginners
Negatives of a Top Handle Chainsaw
A top handle chainsaws key drawback is that it has a smaller engine. Now while this can be a benefit for a beginner chainsawer, for a seasoned professional looking to cut down a redwood maybe a 26cc engine just doesn't cut it? Now a redwood is an extreme example but even large trees in the garden can be a lot more difficult to cut without that bigger engine that the top handle chainsaw simply does not have.
Conclusion on "When or When Not to Buy a Top Handle Chainsaw"
You should buy a top handle chainsaw when you have a smallish garden where you may need to cut branches of trees and space is tight. Also if you are new to chainsaws a top handle chainsaw is a fantastic way to start.
You should not buy a top handle chainsaw when the amount of work that is required is substantial and large objects need cutting.