No. Your consultants, suppliers, and contractors do not have to purchase Totalbid to participate in your projects. They may however be required to pay for ordering plans, or at their oprtion they may choose to advertise in the Commercial Construction MarketPlace. Your corporate portal includes your extended team members; when you invite your consultants and contractors to your project, they will acquire a password for their secure access to your projects at no charge to your consultants, suppliers, and contractors.