>>9178754if you believe on the Lord Jesus Christ as your saviour, you will go to heaven, that's a promise from God. But if you you continue to sin willfully, God will punish you on this earth now that you are his child (Hebrews 12:6). And oftentimes, punishment is built into sinful activities so you will get your life ruined regardless if you continue to sin (drug abuse for instance). I will link you some sermons if you are interested.
sinning ignorantly vs sinning willfully
https://www.youtube.com/watch?v=qsweCjHxUn0&t=8sbuilt in punishment for sin
https://www.youtube.com/watch?v=0imoEhaSj6Upornography
https://www.youtube.com/watch?v=oph_k4EnCA4 