God does not promise us riches on this earth but in Heaven? Is it true?

Cjwpastor Enthusiast (Christianity.com - Hot topics - Benny Hinn fans ...p-26 )
God does not promise us riches on this earth but in Heaven. Any other reading into it is wrong. We are to despise the things of this world and build our riches in Heaven.
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Visitor to Christianity.com:
If you think that Bible is against prosperity then why you are sitting in a good home with a computer and Internet connection? Why don't you go and live in slums without electricity, without fridge, without a computer, without having basic facilities of life. Implement your theology on yourself first otherwise you are a hypocrite and a false prophet yourself. Did you ever try for a better job? Why don't you try for the lowest job on the earth? If you have tried for a better job means you are going against the will of God which is in the Bible according to your theology. And going against the will of God is sin.
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Is Prosperity teaching wrong?
No, Bible speaks about many who were very rich.

Abraham was very rich.
Here are verses that tell you how rich Abraham was.
Gen 13:2 Abram was very rich in livestock, in silver, and in gold.
Gen 13:6 Now the land was not able to support them, that they might dwell together, for their possessions were so great that they could not dwell together.

This richness was material not spiritual. He was so rich that the land was not sufficient for him to hold his livestocks. David, Solomon, Joseph, Isaac, Esther and many others were also very rich according to Bible. If it was sin God would have kept them as poor and in misery. So your point that God does not promise us riches in this world is totally wrong. Yes, if you are making money with wrong methods then it is wrong. Otherwise having money and good home is not sin.

Look at the life of Solomon. He did not ask for riches and wealth but God gave it to him.
1 Ki 3:13 "And I have also given you what you have not asked: both riches and honor, so that there shall not be anyone like you among the kings all your days.
1 Ki 10:7 "However I did not believe the words until I came and saw with my own eyes; and indeed the half was not told me. Your wisdom and prosperity exceed the fame of which I heard.
1 Ki 10:21 All King Solomon's drinking vessels were gold,
1 Ki 10:23 So King Solomon surpassed all the kings of the earth in riches and wisdom.

Read the book of 1king if you have never read it before you will find how rich Solomon was and how magnificently he built his house and temple of God. You'll forget to talk against prosperity. We don't need rotten theology of some minister who do not know what is in the Bible.

Prosperity is not sin in the sight of God. It is the people who made theology that riches is sin. If you are following people then it is good for you. Follow their theology and stay as poor, may be sell your house, car and all the luxurious items and live as homeless in streets. If you are living in nice homes and riding your own car then you need to repent. Otherwise you are standing against God according to your own theology.