There is no heaven or hell. Definition of good or bad changes with time. We all live in paradise, if we are healthy and having wine , women or men , and wealth and are not involved in desires.
Following actions are helpful to go to heaven after death as per Garuda Puran.
1.0 Giving Gift of cow, Gold, Iron, Cotton, Land, all three type of Sirsem white, black, brown (TIL), Ghee or Oil, Food, clothes to brahmins or Satpatra before death or at death time or during Sun or Moon eclipse . It is said that in case one donates land equal to land which can grow food for 100 cows ,or on which 100 cows and one bull can freely move. All sins shall be washed or forgiven by God of death,if GOCHARAM is donated. Gift of land is considred best of all.
2.0 Studying or listening of Geeta or Srimadbhagwat Gita, Thousand names of Vishnu, Godess,
3.0 At the time of death drinking Ganga water, eating Tulsi leaves,
4.0 All holy places, Ganga, Houses of Brahmins, Sun or Moon eclipse time, Full moon day, Black Moon day,Karak and Makar full moon day , Full moon day of Aries, or Libra, Black moon day falling on Sunday of Dhanishta Star, Aridra Star