BEST WAY TO GET RUPEES: Go to the small store at town, and steal. you get 40 rupees
Neutral ending: Get enough rupees to buy lamp oil, bombs, or rope
Bad ending: Try buying something without having enough rupees
Good ending: Buy "everything" in shop (35 rupees)
Betrayal ending: go to town, go to the dark street, open the door, and boom. (You can buy the weed or not it doesnt matter i dont think)
Credit ending: Go to morshu, act, and ask for credit a lot of times
Robbery ending: Get the gun by stealing from the store, and press "rob morshu" in morshu's shop (you might have to go into act, but idk
Weed ending: buy weed from the man in the street, and offer it to morshu
Secret ending: Do everything you can in the game (YOU HAVE TO BUY WEED) And tell morshu a secret
I hope this helped