i got very bad calluses from cleartone strings and they hurt my fingers really bad. the first few days playing the guitar with cleartone strings, i endure the pain from holding the strings from fretting hand. so i stop for a few days then continue again the pain is gone but i got very bad calluses, swollen calluses after some more days of practicing. Then afterward, i got curious and try my pinky finger to hold the string down against the frett and the pain come back. Then i tried with my other 3 fingers and the pain come back as i hold it down against the frett. So i just stop.
maybe the cleartone you buy or tried is good but the one he sold me was crap. its painful and sounds like crappier than the ones that come with the guitar. its sound flatter and not as warm or depth.
Also, i think beside paying for newer strings, i think i have to pay for string replacement service as i don't know how to replace it myself. My mom paid an additional $25 for the warranty service and it cover string replacement, but we already use the service. not sure if it will still be free of charge for another string replacement. Beside, we have to buy another strings and that cost money too.