In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Q: These consistently suck and quit working properly (leakage, etc) after a few months. But there aren't really any other better options on the market. The refill cartridges are extremely expensive, as much as buying a whole new unit almost.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
These consistently suck and quit working properly (leakage