John Sherriff's Guide to The Oregon Trail on Facebook
When you get to Oregon City
You'll get a coin reward and 5 trail notes. Trade goods you have brought to Oregon City will be sold.
Visit the emporium. Buy 1 chicken soup and 3 bacon. Use the chicken soup at the start of your next trip. it gives you a health boost and lasts for the next 48 hours (real time). Use the bacon when you need extra energy and stamina. It gives 50 of each.
If you have 30 trail notes - buy a repeating rifle. If not - keep saving them up.
Start again. Make more trips exploring other routes getting a better score and faster time.