Options:
- Budget may not be fully spent
- CPA may increase if competition rises and no target cost is set
- Ads will not appear in premium placements
- Conversion tracking becomes unavailable
✅ Correct Answer: B — CPA may increase if competition rises and no target cost is set
Lowest Cost bidding (no bid cap) aims for maximum results within budget but does not control cost per result. During high-competition periods, CPAs can spike significantly.
