Good Luck Characters

ba1 eight is considered a lucky number because it rhymes with fa1 from 发财 fa1cai2 which means to get rich
yu2 fish is used to symbolize abundance because it rhymes with yu2 which means excess

fu2 Blessing, Good Fortune, Good Luck.
Often posted upside down on doors. (This is done because the Chinese word for 'upside down, 倒,is homonymous with 'came, arrived'

lu4 Prosperity

shou4 Longevity

cai2 wealth, money

he2 harmonious

ai4 love, affection

mei3 beautiful, pretty

ji2 lucky, auspicious, propitious

de2 virtue, moral, heart, mind, and kindness

xi3 Happiness

Double Happiness