but a fair amount of their income comes from people leaving all their money to the church in their will, in an effort to buy their way into heaven.
There is truth in this statement. Many people do just this for the reason you reveal. It is a waste of time of course. Trying to buy eternity with God is probably the most insulting thing one can do to Jesus.
The evil of seeking to pay for the gifts of God is well stated in the following scriptures.
Acts 8
17 Then they laid hands on them, and they received the Holy Spirit.
18 And when Simon saw that through the laying on of the apostles’ hands the Holy Spirit was given, he offered them
money, 19 saying, “Give me this power also, that anyone on whom I lay hands may receive the Holy Spirit.”
20 But Peter said to him,
“Your money perish with you, because you thought that the gift of God could be purchased with money! 21 You have neither part nor portion in this matter, for your heart is not right in the sight of God. 22 Repent therefore of this your
wickedness, and pray God if perhaps the thought of your heart may be forgiven you. 23 For I see that you are poisoned by bitterness and bound by iniquity.”
24 Then Simon answered and said, “Pray to the Lord for me, that none of the things which you have spoken may come upon me.”
Offering to pay for a gift is an insult indeed.
All Praise The Ancient Of Days