Bad attitude and after sales service

I went into the store today to purchase a car seat organizer which was advertised on their website for R99, it was not on sale, it was a normal advertised price. The store charged me R119,99 and when I queried it I was told I must read their T&Cs which state whatever bull he was telling me. I was told it is very difficult for him to keep the website up to date. I told him it is false advertising and it is not my problem as a customer if he can't keep his website current. He then said I must not tell him how to run his business. I told him off and left. There is no customer care, it is his way or the highway, I guess I will not support or promote this store, especially with the attitude of the owner.