Thomann TTS-180 Tenor Sax

I purchased this instrument a couple of years ago as a beginner switching from a clarinet. Although this instrument has got a lovely tone, I found from the beginning that it's pretty leaky. I took it to a couple of repairers to fix the issues; one had trouble to remove pads at all, another didn't even attempt to start a job saying it would be tricky to find the right pads for this saxophone, and even if he did find them he would not attempt the repair due to the sax poor worksmanship. Apart from this, the holder was so low that my thumb was on the level of my middle finger which put an extreme strain on my wrist. I filed this to make a proper adjustment but eventually I removed the holder completely. This instrument put me in the path of playing the saxophone but I would be better off getting an instrument of a more known brand so while playing I wouldn't have to overcompensate for the deficiencies of this sax.