Finances are a big part of human life and the Bible has a lot to say about that topic. Among all the advice and instruction is God's command to save ten percent (a tithe). Tithing existed long before the Old Covenant (made at Mount Sinai) and specific instructions about it were including in God's revelations to Moses, including that a tithe was to be kept faithfully each year and that money was only to be used to keep God's annual feasts.