Sand dunes ,fort, gaisar lake are worth visiting. you can check out our itinerary on Tripoto profile and check out our Jaisalmer youtube vlog for cost details.
https://www.youtube.com/watch?v=iuvG1kxSMW0&t=602s
Places to visit in Jaisalmer:-
1)Jaisalmer Fort
2)Patwon Ki Haveli
3)Bada Bagh
4)Sam Sand Dunes Desert # Camel Safari # Dune Bashing
5)Gadisar Lake
6)Sadar Bazar
7)Desert National Park