The quote seems cheap until you're surprised by costs that weren't accounted for. This article reveals the most common ones.

The Most Common Hidden Costs

The hidden costHow it appearsHow to uncover it in advance
Materials and supplies"The quote doesn't include materials"Ask explicitly: are the materials included?
Special equipmentDevices not stated as additionalClarify the type of equipment required
Additional staff at peakAn extra price for each additional staff memberAgree on the price of the additional staff in advance
Annual increasesA sudden increase upon renewalStipulate a ceiling for the increase in the contract
Travel and distanceAdditional fees for distant sitesMention the complete addresses in the request

The Revealing Questions Before Signing

  • Is there any cost not included in this quote?
  • In what cases does the price rise during the contract?
  • Are there additional fees for urgent requests?
  • What is the pricing mechanism for out-of-scope services?

Conclusion

A clear contract that defines what's included and what's not is the real protection from hidden costs.