The website looks secure to me! Did you try and buy it in the end?
Perhaps also do a search online on reviews of the contact lens that people buy from that website?
Wow, SGD 225 per month is definitely not enough... It costs about SGD500 for a small apartment room, probably another SGD 500 just on food and basic necessities. This is not inclusive of any outings or schooling for your kids... A month to month basic living probably requires you at least 3000SGD for basic survival.
Dogs are allowed in condos, but depending on the breed as well.