1. Do your own research please, use google or
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2. a lot of money and I mean lots or residence because of a job (being an expat of some kind), you need a long term contract with an employer. But all this you can just find by using google. I had 1 920 000 hits when I googled this (in French).
3. bread: 2 dirhams, milk: 4 and 5 dirhams, 1 kg rumpsteak about 200 dirhams, rent: starting at 1,000 dirhams a week (in quartier populair) til 7,000 a month (nice clean fancy appartment). Appartments for sale around 300,000 dirhams. Check out Immobilier annonces.
4. price of a 10 yr old Nissan Patrol: 80,000 dirhams
Tunesia??? I've got no flicking idea. Morocco, Tunesia, is it all the same to you? These are different countries, man!