Splash contracts contain several negotiable elements beyond headline pricing that can impact your total cost by 15-25%. Based on Vendr's contract analysis, the most significant hidden costs are implementation fees ($2,500-$7,500), additional integrations ($1,200-$3,600 annually per integration), and overage charges for exceeding attendee limits. Implementation fees: While Splash lists implementation at $5,000-$7,500, 68% of companies negotiate this down to $1,500-$3,000 or eliminate it entirely by committing to multi-year terms. Enterprise customers have the strongest leverage here - our data shows 45% of Enterprise deals include free implementation. Integration costs: Splash charges $1,200-$3,600 annually for premium integrations (Salesforce, HubSpot, Marketo). However, these are often bundled free with Enterprise plans or discounted 40-60% when negotiated as part of the initial contract rather than added later. Attendee overages: The biggest hidden cost trap. Pro plans include specific attendee limits, with overages at $0.50-$2.00 per additional attendee. Negotiate higher baseline limits upfront - increasing from 10,000 to 25,000 annual attendees typically costs only $2,000-$3,500 extra but saves $7,500-$15,000 in potential overage fees. Cost optimization strategy: Bundle implementation, integrations, and expanded attendee limits into your initial negotiation. Companies taking this approach reduce total 3-year cost of ownership by an average of $12,000-$18,000 compared to those who add services incrementally.