Detailed Answer
What's posted on SAM.gov:
**Must Be Posted:**
- Solicitations over $25,000
- Sources sought notices
- Pre-solicitation notices
- Award notices over $25,000
**NOT Required to Post:**
- Micro-purchases (under $10,000)
- Certain simplified acquisitions
- Classified procurements
- Urgent requirements (some)
- Sole source under thresholds
**Where to Find Other Opportunities:**
- Agency-specific portals
- GSA eBuy (for Schedule holders)
- SubNet (subcontracting opportunities)
- GovWin, Bloomberg Gov (paid services)
- Direct agency contact
**Hidden Opportunities:**
- Government purchase card buys
- BPA calls under existing agreements
- Task orders (may only go to contract holders)
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