Because donating money to build an altar can make parents and children more respected in the village, there is no essential difference. Building a temple can benefit one's life, which is a good thing. There are great merits in building a temple, and you don't need to care much, as long as the temple builder is sincere and respectful. Therefore, building a temple is good.

The first step in the temple building procedure is for the abbot and other responsible persons in the temple to unify their thoughts and determine whether the temple should be rebuilt, expanded or built. Solemnly declare: this answer is for reference only, please don't be blindly superstitious.