Sage 300 costs vary significantly by business and the version of Sage 300 you’re using. Some estimates place Sage 300cloud pricing as low as $75, while others estimate the 3-year cost of Sage 300 systems in the tens of thousands of dollars. For most small- to mid-sized businesses, Sage 300 costs are reasonable. If you’re hosting Sage 300 in the cloud, you should include hosting costs in your price estimate. At Summit, you can host Sage 300 CRE in the cloud for as little as $85 per month.