Otherwise I can tell you the overland companies usually leave their trucks at Aqaba South beach in one of the campsites. The two mostly used campsites disappeared recently as the Aqaba authorities decides to build luxury hotels there, but there is still another camping a couple kms south where you can usually see Defenders, Landcuisers, Unimogs and the like on their overland stop at the Red Sea.
You can get Jordanian permit for 3 months, exceeding it will cost you 1JD (roughly 1,1 EUR per day on exiting the country.
Even the temporarily worst things in life are good for something on a long run.
Don't dream your life. Live your dreams.