a. "I before E except after C."
b. If your instinct tells you "Use an A!" question it. Question it closely.
c. If these prove problematic, consider using the spell check function on your computer.
2. Periods, and when to use them. Related: Run-on sentences, and what they are.
"My experiance in the sales and finance feild has been long lasting and I have recieved over 40 salesman of the month awards and am looking for new challanges."