Got started using this system 3 days ago. I dont tile often but when I do, I get it "100% right ! clients always happy and these are multi million pound properties .I have used "lash" systems before . Firstly the main difference is the "clip" strength .Then fitting and using the 'gun" I can get nice and tight and they are not snapping . when "knocking off" the next day . only 2-3 have snapped short and required "trimming down" My old gun works fine and I glad I did not spend more on a new one . Had to order some more clips today . They are expensive ..... but as its allowed me to "relax" and know I am setting the tiles nice and flat its worth it. Just have to make sure I price in enough for each JOB. The whole feel to them is good . But...If I was full time tiling and wanted to save money . I would be seriously interested in trying this system as its 100 % re usable Also looks silly quick ★NEU★ Aydinc Fliesenschlüssel Nivelliersystem Tile Leveling System Verlegehilfe | eBay - http://www.ebay.de/itm/-/132022535663 sure the costs will come down. Or 3rd party clips from china etc will become better made etc.At the moment the retail costs are TOO high for what is very cheap plastic bits .