Heading toward Tajikistan Pamir Highway for eight days

I have been busy talking to every foreigners in my hostel, in Osh Guesthouse, on the streets, etc. to find others to car share to the Pamir Highway and finally signed up a deal to travel with three others for eight days from Osh to Khorog at $232 per person including only transportation. I will pay for guesthouse at ～ $12 a night and pay for my own food. This is less stressful than other ways. We three finally have to depart for different cities after traveling together for three days, yet enjoyed last meal together. By the way, I am not sure if I have time to get SIM card and Internet. If not, you will not see new posts for eight days.