I made some mistakes with my no skills, no problem that's why it took 68 days.
Summary, I've got the highest ranking of the science career, have built the dublicator, I travelled twice to selvadora, bought enough local stuff to survive the trips through the jungle and temple. Discover that I couldn't dublicate the treasures, became a spellcaster, practise until I've learned the dublicate spell, with this spell it was easy, dublicate both high value treasures and sold them during the garden sale with the 300% price mark up.
The best thing, after the scenario is completed, my sim is now able to learn new skills, finally. :D
I thing, I'm going to replay this scenario, it was fun.