Oh my god. A business is trying to make money?? How very dare they.
Indeed they are, but like anyone else with a markup of more than 1000% percent if someone asks me if its good value I will say no.
It is without a doubt a complete rip off, people think they are getting 300 pounds worth of sealant, they arent, they are just getting 100 quids worth of sealant and labour (at most) and paying an extra 200 pounds in stupid tax.