Below are some tips to optimize Low-Budget PPC Accounts :-
1. Focus on phrase and exact match 2. Avoid having too many campaigns. 3. Segment ad groups by match type 4. Breakout your poor performers 5. Leverage branded campaigns when possible. 6. Target the most profitable geo locations 7. Utilize day-parting data 8. Target lower ad positions. 9. Pay close attention to Quality Scores. 10. Continually reassess campaign budgets 11. Launch new campaigns with negative keywords. 12. Avoid testing too much.