Sin cost Adam and Eve their lives. Adam and Eve would not have died, if they had not committed the sin of disobedience. Because of their sin, the desire to sin was passed to all generations.
“But of the tree of the knowledge of good and evil, thou shalt not eat of it: for in the day that thou eatest thereof thou shalt surely die.” Genesis 2:17

Sin cost Adam and Eve fellowship with God. They were kicked out of the garden of Eden because of their sin.
“Therefore the LORD God sent him forth from the garden of Eden, to till the ground from whence he was taken. So he drove out the man; and he placed at the east of the garden of Eden Cherubims, and a flaming sword which turned every way, to keep the way of the tree of life.” Genesis 3:23-24

Sin cost some innocent animals their lives. God killed some animals; so that He could clothe Adam and Eve. From the commission of the first sin, others have often been hurt and affected by the sins of other people.
“Unto Adam also and to his wife did the LORD God make coats of skins, and clothed them.” Genesis 3:21

Sin cost this earth many changes. Because of sin, there are now weeds, sweat, and death. Before the first sin was committed, those things did not exist on this earth.
“ And unto Adam he said, Because thou hast hearkened unto the voice of thy wife, and hast eaten of the tree, of which I commanded thee, saying, Thou shalt not eat of it: cursed is the ground for thy sake; in sorrow shalt thou eat of it all the days of thy life; Thorns also and thistles shall it bring forth to thee; and thou shalt eat the herb of the field; In the sweat of thy face shalt thou eat bread, till thou return unto the ground; for out of it wast thou taken: for dust thou art, and unto dust shalt thou return.” Gen. 3:17-19

Sin cost Cain an unhappy, lonely life after he killed his brother.
“And now art thou cursed from the earth, which hath opened her mouth to receive thy brother's blood from thy hand; When thou tillest the ground, it shall not henceforth yield unto thee her strength; a fugitive and a vagabond shalt thou be in the earth. And Cain said unto the LORD, My punishment is greater than I can bear.” Genesis 4:11-13

Sin by others cost Joseph a normal life with his family. Because of their sin of jealousy, Joseph’s brothers threw Joseph in a pit, sold him into slavery, and from then on, Joseph’s life was much different than it could have been.
“ And it came to pass, when Joseph was come unto his brethren, that they stript Joseph out of his coat, his coat of many colours that was on him; And they took him, and cast him into a pit: and the pit was empty, there was no water in it.” Genesis 37:23-24

S in cost Moses a life in the Promised Land. God told Moses to speak to the rock, and that water for the people of Israel to drink would flow from it. In his anger Moses, hit the rock with his staff instead. Water did come out. God still provided for Israel, but because of Moses’ disobedience to God’s command he was never allowed to go into the Promised Land. He died just on the other side of the Promised Land.
“And Moses lifted up his hand, and with his rod he smote the rock twice: and the water came out abundantly, and the congregation drank, and their beasts also. And the LORD spake unto Moses and Aaron, Because ye believed me not, to sanctify me in the eyes of the children of Israel, therefore ye shall not bring this congregation into the land which I have given them.”
Numbers 20:11-12

Sin cost Samson his eyesight. Samson knew he was to live apart from many temptations. He disobeyed God, and had a relationship with an ungodly woman. Because of his disobedience to God, he also suffered much embarrassment and may not have achieved all he could have if he had obeyed God.
“And she said [Delilah], The Philistines be upon thee, Samson. And he awoke out of his sleep, and said, I will go out as at other times before, and shake myself. And he wist not that the LORD was departed from him. But the Philistines took him, and put out his eyes, and brought him down to Gaza, and bound him with fetters of brass; and he did grind in the prison house.”
Judges 16:20-21

Sin also cost others much including: Miriam, Abel (killed by brother), Absalom, Ahab, Barabbas, Bathsheba, David, Eglon (oppressed Israel), Herod, Jezebel, Jonah, etc. Sin costs all of us!

Sin can cost each of us a life in hell, unless we except Jesus’ payment for our sins!
“Wherefore, as by one man sin entered into the world, and death by sin; and so death passed upon all men, for that all have sinned:” Romans 5:12
“For since by man came death, by man came also the resurrection of the dead.” I Cor. 15:21

“And I saw a great white throne, and him that sat on it, from whose face the earth and the heaven fled away; and there was found no place for them.” And I saw the dead, small and great, stand before God; and the books were opened: and another book was opened, which is the book of life: and the dead were judged out of those things which were written in the books, according to their works. And the sea gave up the dead which were in it; and death and hell delivered up the dead which were in them: and they were judged every man according to their works. And death and hell were cast into the lake of fire. This is the second death.”
Rev. 20:11-14

Sin always has consequences. No one ever gets away without paying for their sin!
“For the wages of sin is death; but the gift of God is eternal life through Jesus Christ our Lord.” Romans 6:23

Sin costs us our freedom. When one lies, often another lie is needed to cover the first lie. When one steals one thing, it is usually easier to steal again. One alcoholic drink is often followed by another. Sin leads to more sin, and soon we are enslaved to sin.

Sin costs one his self-respect. Most have lost much self-esteem when they discovered they were down a terrible road that their sins had led them to.

Sin costs one his joy. Sin’s consequences often rob one of much happiness and bring pain and suffering into one’s life.

Sin costs having God not guide and direct one’s life. Because sin can break our fellowship with God, we may not have His directing our lives. In Romans 1, it cost many, because they did not do what they knew God would have had them do; so much so that God gave up on them.
“Wherefore God also gave them up to uncleanness through the lusts of their own hearts, to dishonour their own bodies between themselves:” Roman 1:24

Sin can cost one a life God intended him to have.
“He, that being often reproved hardeneth his neck, shall suddenly be destroyed, and that without remedy.” Proverbs 29:1

Sin cost Satan a life in Heaven, and eventually will cost him an eternity in the Lake of Fire.
“And the devil that deceived them was cast into the lake of fire and brimstone, where the beast and the false prophet are, and shall be tormented day and night for ever and ever.” Rev. 20:10

Sin cost Jesus His life on Earth.
“And that he died for all, that they which live should not henceforth live unto themselves, but unto him which died for them, and rose again.” II Corinthians 5:15

Sin will cost this earth its existence.
“And I saw a new heaven and a new earth: for the first heaven and the first earth were passed away; and there was no more sea. “ Revelation 21:1