(Learn how and when to remove these template messages) A budget is a quantitative expression of a financial plan for a defined period of time. It may include planned sales volumes and revenues, resource quantities, costs and expenses, assets, liabilities and cash flows. It expresses strategic plans of business units, organizations, activities or events in measurable terms.
The mouth could be feeling raw due to canker sores, Vit B deficiency or Vit C deficiency. It could also be fungal infection. It is difficult to comment beyond this at this stage without examining your mouth.
On the other hand the salty taste could come from acid reflux. When acid from the stomach washes up into the esophagus and mouth, which commonly happens at night when you lay down, this can cause irritation to the back of the throat, cough, and a bitter or salty taste in the mouth when you wake up.