Check my translations, please

1. You can rely on our after-sale service.
2. People who live in the remotest area of the country are usually lack of everything.
3. I will come by the end of this month, please extend me a warm welcome.
4. A considerable amount of money, foods and medicines were sent to help people who has been suffered from the flood recently.
5. Thank you for your warm welcome and good hospitality that you have extended me on my recently visit.
6. last night I met a very nice couple, they came from Canada.
7. I am not used to riding on your motorbike.
8. I am not used to driving in your car.
9. On my lately trip to Luangprabang, I really regretted because I left my camera at home, otherwise I would have taken some magnificent views.
10. Floods have caused starvation, diseases and homeless to a great many people. Even now man has reached to the most advanced technology era, but still they haven't been able to prevent the natural catastrophies.