The cost side
What $175 a month replaces, when you do the full accounting.
The plan is $175 a month, no design deposit, twelve-month minimum. That is $2,100 a year. Whether that is expensive or cheap depends entirely on what it is replacing.
vs. DIY on Wix or Squarespace
The hidden costs of running it yourself.
Platform subscription ($16–$50/month depending on tier) plus the unpaid hours the owner or office manager spends fighting the editor, the occasional freelance bill for the things they can't fix themselves, the lost revenue from the speed-and-conversion gap above, and the opportunity cost of hours that aren't going to actual work.
Real total: roughly the same as the plan. The difference is that the mediocre site is also losing customers.
vs. Agency monthly retainer
A direct line-item swap, at a fraction of the cost.
Most service-business retainers in this category run $500–$2,500 a month, plus per-change fees, plus a design deposit upfront. The plan here replaces that line item at roughly a third of the median price, with no design deposit and no per-change fees.
Real total: 30–65% less monthly, with the design deposit and per-change fees eliminated entirely.
vs. Freelancer or part-time hire
A maintenance arrangement that doesn't quietly fall apart.
The freelancer disappears or raises rates. The part-time hire moves on. The site enters the slow-decay phase described above, and a year later the speed-and-ranking gap is wider than it was on day one. The comparison is harder to size in dollars but usually unflattering.
Real total: unpredictable, plus the cost of finding the next person every twelve to eighteen months.