Agencies offer a wider range of services:

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Professional ad managers
Advertising specialists offer:

Comprehensive account management on advertising portals
Regular updates and refreshing of offers
Monitoring the chinese overseas america database effectiveness of advertisements
Optimizing content for conversions
Marketing agencies


Professional ad management
Marketing strategy
Competition analysis
Reporting results
Campaign optimization
Freelancers
Independent specialists provide:

Flexible terms of cooperation
Competitive prices
Individual approach to the client
Fast order fulfillment
Specialized services
Platforms dedicated to adding ads offer:

Automation of the publishing process
Tools for adding ads in bulk
Reporting and analytics systems
Integration with various advertising portals
It is worth paying attention to several key aspects when choosing a service provider.