Market Size & Opportunity Analysis

Help me analyze the market opportunity for [PRODUCT/SERVICE]:

What I'm offering: [DESCRIPTION]
Geographic scope: [LOCAL/REGIONAL/NATIONAL]
Target customer: [WHO]
Existing market: [YES - GROWING/MATURE/DECLINING or NEW MARKET]

Analysis framework:

1. Market Definition
   - How to define this market
   - What's included/excluded
   - Adjacent markets

2. Market Size Estimation
   - TAM (Total Addressable Market)
   - SAM (Serviceable Addressable Market)
   - SOM (Serviceable Obtainable Market)
   - Estimation methodologies

3. Market Trends
   - Growth drivers
   - Industry direction
   - Technology impacts
   - Regulatory factors

4. Customer Analysis
   - Market segments
   - Unmet needs
   - Spending patterns

5. Competitive Landscape
   - Market concentration
   - Barriers to entry
   - Competitive intensity

6. Opportunity Assessment
   - Market gaps
   - Underserved segments
   - Timing considerations

7. Go-to-Market Considerations
   - Entry strategy options
   - Resource requirements
   - Success metrics

Provide sources to research for actual numbers.