The Quote Looks Reasonable. Then the Bills Start.
A WordPress agency quotes you $4,000–$8,000 for a custom site. It sounds fair. You sign, they build, you launch.
Then the hosting invoice arrives. Then the plugin renewal emails. Then the site gets slow and you need someone to fix it. Then, if you are unlucky, the site gets hacked.
None of this was in the original quote. Here is what to ask about before you sign anything.
Plugin License Costs
Most professional WordPress sites depend on paid plugins — for page building, forms, SEO, security, caching, booking systems, and more. The agency includes these in the build. What they often do not tell you is that the licenses renew annually and the cost falls on you after year one.
A modest business site might use 5–10 paid plugins at $50–$200 each per year. A more complex site with booking integrations, advanced forms, and premium security tools can easily hit $500–$1,000 per year in plugin renewals alone — before a developer touches anything.
Ask your agency: which paid plugins will my site depend on, and what are the annual renewal costs?
Hosting Upgrade Costs
Basic shared WordPress hosting costs $10–$30 per month. It is also inadequate for a business site that needs to load fast, stay secure, and handle real traffic.
Managed WordPress hosting that actually delivers performance — from providers like WP Engine, Kinsta, or Flywheel — typically runs $30–$100 per month for a standard business site, according to WP Farm's 2025 hosting cost analysis. That is $360–$1,200 per year just for hosting.
Some agencies include hosting in their quote. Many do not. Ask directly: what hosting do you recommend, and what does it cost per month after launch?
Maintenance and Update Costs
WordPress requires ongoing maintenance. Core updates, plugin updates, theme updates — each one needs to be tested to make sure it does not break something. This is not a one-time task. It happens every month, often multiple times per month.
Agencies typically charge $200–$600 per month for a basic WordPress maintenance retainer, according to Codeable's 2026 WordPress maintenance pricing data. That is $2,400–$7,200 per year for someone to keep the site updated, backed up, and monitored.
If you do not pay for maintenance, the updates do not happen — and outdated plugins are the number one cause of WordPress hacks.
Security Incident Costs
This is the hidden cost that hurts the most. WordPress is the most widely targeted CMS on the internet, and a significant percentage of WordPress sites experience a security incident at some point.
When it happens, remediation is not cheap. According to Betlace, emergency fixes after a WordPress breach typically run $2,000–$10,000. That includes malware removal, database cleanup, security hardening, and restoration from backup.
What is not included in that number: the SEO damage. If Google detects malware on your site and blacklists it, recovery can take months. For a business that generates leads through organic search, that is a significant revenue event.
Performance Optimization Costs
WordPress sites tend to slow down over time. Plugins accumulate. The database grows. Images are added without optimization. Caching configurations drift.
According to Colorlib's 2026 site speed data, the average WordPress site loads in approximately 3.5 seconds — and that is the average, meaning many sites are significantly slower. A performance audit and optimization typically costs $1,000–$2,000 and needs to be repeated as the site evolves.
The Rebuild Cost
After 2–3 years, many WordPress sites reach a point where maintenance becomes more expensive than rebuilding. Plugins conflict with each other, the theme becomes outdated, the developer who built it is no longer available, and the codebase becomes difficult to work with.
The $5,000 site that seemed like a good deal now costs another $5,000–$8,000 to rebuild. And the cycle starts again.
What to Ask Before You Sign
- Which paid plugins will my site depend on, and what are the annual renewal costs?
- What hosting do you recommend, and what does it cost per month after launch?
- Do you offer a maintenance retainer, and what does it cover?
- What happens if my site gets hacked — is cleanup included or billed separately?
- Who owns the site and all its assets when the project is complete?
A professional agency will answer all of these questions clearly and upfront. If the answers are vague, that is information too.
A Different Approach
We build on Next.js specifically because it eliminates most of these hidden costs. No plugin licenses, near-zero hosting costs on Vercel, a smaller security attack surface, and performance built into the architecture rather than bolted on afterward.
If you want to understand what your website will actually cost — build and beyond — book a strategy call and we will give you the full picture before you commit to anything.