RFP or request for proposal is used when the buyer wants his suppliers to come up with different proposals or solutions to his problem. Accompanying costs is also be identified in the proposal. RFP can be run in a quick e-sourcing system, saving you time. So Thomas must secure this type of E-procurement solutions software where he can upload useful documents like pricing template in the system. It is also useful because it is easier to compare bids. It will also help Thomas build trust with suppliers by showing that his company is credible and run in a formal, professional manner.