One job per want

<img width="1360" height="780" src="https://mymarketplacebuilder.com/wp-content/uploads/2022/08/DB_-_Post_Want-1.png" class="attachment-full size-full wp-post-image" alt="" decoding="async" fetchpriority="high" srcset="https://mymarketplacebuilder.com/wp-content/uploads/2022/08/DB_-_Post_Want-1.png 1360w, https://mymarketplacebuilder.com/wp-content/uploads/2022/08/DB_-_Post_Want-1-300x172.png 300w, https://mymarketplacebuilder.com/wp-content/uploads/2022/08/DB_-_Post_Want-1-1024x587.png 1024w, https://mymarketplacebuilder.com/wp-content/uploads/2022/08/DB_-_Post_Want-1-768x440.png 768w" sizes="(max-width: 1360px) 100vw, 1360px" />

Instead of a user being able to post a project with multiple jobs within that project, users are limited to post 1 job per project. Only 1 provider can be hired for that project.