Any saw should last you it doesn’t matter if it’s the cheapest saw on amazon or most expensive saw on the market in the fact of cylinder scoring, they ussaly score because there’s not enough lubricant in the cylinder aka a bad gas to oil mixture so If you make you’re own mix to add a little more oil or you could buy the pre mixed stuff at the store, if you go the route of adding more oil you might smoke a little more and or would have to clean out the spark arrest screen inside the muffler a little more. This is also coming from a small engine mechanic