Upgrading from free to mid-tier is usually worth it if you're making inventory decisions across multiple product lines. Upgrading from mid-tier to premium is only justified if you're planning a major expansion or a large capital allocation.

Also, remember: your own sales data is the highest-resolution market size signal you have. No report knows your local demand or your customer base. Use reports to benchmark and to spot trends you might miss, not to replace your own numbers.