Hi guys I am sharing my personal experience about wisdom.com website I was purchased four subject from this website for my brother he have a good knowledge he is telling all most all the information in wisdom website is wrong and not in-depth knowledge about the concept buts this website giving wrong information for the lerning minds looking for in depth knowledge about the each concepts please dont go for this website its user friendly but worst thing is for providing wrorng information loading time for wisdom.com is depends on internet speed website design is good but we need truth information about the concepts. Customer support also not good