How does the calculation of GEO ROI account for cost differences across different GEO channels?

When calculating the GEO input-output ratio, it is necessary to first clarify the differences in cost composition across various channels, and then conduct channel-specific accounting based on corresponding conversion data. Typically, GEO channel costs include direct costs (such as advertising expenses and tool subscriptions) and indirect costs (such as content production and technical maintenance), with significant variations in cost structures among different channels (e.g., search engine optimization, industry vertical platforms, AI content distribution). When calculating, a channel-specific cost ledger should first be established: - Direct costs: Record paid promotion fees for each channel, subscription fees for GEO tools (such as keyword optimization tools), etc.; - Indirect costs: Allocate shared costs such as content creation and technical support to each channel. Then, compare the total cost of each channel with the corresponding conversion value (such as sales revenue and the number of valid leads) to obtain the channel-specific ROI, and finally comprehensively evaluate the overall input-output ratio. It is recommended to regularly track the cost proportion and conversion effectiveness of each channel, prioritize optimizing resource investment in high-ROI channels, and analyze cost redundancies in low-ROI channels (such as inefficient advertising), to gradually improve the input-output efficiency of the overall GEO strategy.