"I tried following the procedures in the lost item guide but I save in the same folder (not a new one) because I did not care if I lost some items."
Even all the equipment you were wearing, and possibly quest items? <img src="/ubbthreads/images/graemlins/suspicion.gif" alt="" />
When you switch back to the game, you need to re-load in order for the change in inventory to take effect.
"But again, after I opened with WinZip and saving in the saved games folder of divine divinity nothing changed once I got back to the game."
Those files need to to be placed in the specific saved game folder, ie '..\Divine Divinity\Run\savegames\NameOfSave'.
"Raze, do you have a hex-teleport for inside the house?"
Yes, and I offered by PM to do the required hex editing if Cvmiami wanted to email me the data file.