For the quest to cure vampirism, the Count Of Skingrad requests that you find a cure for his wife because she does not want to be a vampire. After meeting with a witch who lives along a river to the east, she has you find five Grand Soul Gems, two Bloodgrass, six Garlic, five Nightshade, Blood Of An Argonian, and Dust Of A Vampire. She then uses these to make a two potions; one for the count and one for you. Upon giving it to the count, he will give you a reward of 500 gold. Talk to him again and select "Reward". He will give it to you again. Repeat this for unlimited gold.
After completing the vampire quest, talk to Count Hassildor of Skingrad. When it is time to ask for your reward, he will give you a hefty 10,000 gp. If you continue to ask the Count for the reward, he will keep giving you your reward. Repeat this many times as desired.
Head to the Talos Plaza District of the Imperial City. Find a house owned by a men named Dorian (Dorian's House) in the southeast section of the district. Break into his house and find him. When he tells you to leave, kill him. To loot him, take each item individually while ending with the gold, which will not run out once it hits 8 pieces. Simply keep selecting the gold he is carrying take it. Do this repeatedly and the number of gold pieces remaining will freeze when it gets down to 8 gold pieces. It will not go any lower, but will just keep giving you as much gold as desired. Note: After you break in and he tells you to get out, talk to him. Go to "Persuade" and bribe him a lot. After that, kill him. He will now have more money to loot, which makes it easier to get more quicker.
Note: To get unlimited gold from Dorian easier, first bribe him until you cannot do so anymore. Then, hit him with your weakest weapon. preferably your fists. Then, immediately hold block and talk to yield to him. Because he is your friend, he will stop fighting. Then, talk to him again. His relationship will have drooped because you hit him, allowing you to bribe him more. Make sure you do not hit him too much or he will run away. Once his health gets low, the guards will probably charge you. After spending your time or paying them, go back to his house. Notethat his health is still low from your attacks. Wait exactly 24 hours and his health will be reset. repeat the entire process to get the desired amount of gold. Once you select the money from his pocket it will not go away, leaving you with infinite money.
Go to Dorian's house in the Imperial City Talos Plaza District, thenopen the door on your right and you should see Dorian. Bribe him until his disposition is maxed, then run upstairs. When you are upstairs there should be a door directly in front of you. Open it then go back downstairs and strike Dorian with your fists. He should now follow you. Have him follow you upstairs and go through the door you opened earlier. When you get Dorian inside the room, close the door and stand in front of it. This will keep the guards from running into the room. When you are inside, kill Dorian while making sure he does not leave the room. After he is dead, search his body. He should have plentyamount of gold. Click on the gold and it will go down. When it reaches a certain amount it will stop decreasing. This allows you to have as much gold as desired. Note: Do not select "Take All", as it may cause the game to freeze. Get as much gold as you desired when you kill him, because his body will disappear after you leave the house for awhile.
Use the "Duplicate items" glitch inside a store. Make sure that the item you duplicate is worth much. Sell all but one of the item that was duplicated, then repeat the process as many times as desired. It is possible to make up to 50,000 gold in a couple of minutes.