There are number of camping options in Sam dunes near Jaisalmer. You can book it online on Make my trip, Goibibo. These camp includes Staying, Camel Safari, Dinner with Cultural Program of Rajasthan Art
It's a luxury desert camp & to avail discounts, you can do online booking on platforms like Agoda, booking.com, Goibibo.com, MakeMyTrip.com.....there's free cancellation too on all these platforms until 1st November!! Happy Journey 🙌
Why not. The price is democratic. I think you need to read this book https://budgettravelbook.com/ where you can find everything about cheap travel. I think the price will be about 3500. This is the most optimal price for a comfortable stay.