I have thought about doing this for home renovation because general pricing takes at least a phone call or two and involves people whose time you may not be keen to waste at that point. e.g., Have estimates for home demolition, flooring, rendered walls, brick work, fences, landscaping, pools and spas, etc.
Gyms in Australia are often pretty cagey with the pricing structure and many have not historically advertised their prices openly. Because of that, I created gymprices.com.au - it does suffer from the problem that the traffic is people looking for prices rather than to share their membership prices, but maintenance is pretty minimal and it makes enough to pay various bills.
Gyms in the USA can be pretty cagey with pricing as well. I looked at a few different gyms briefly and could not get even a ballpark figure what the price would be. They all wanted to set up a meeting with their sales guy. One guy said it depends on my job, where I live, etc ... I was pissed and left. Luckily, I knew a guy at one of the gyms who got me signed up for $29/month. When one of the employees saw that, he said the owner must really like me to approve that, so I guess it was a good deal. However, I know a sales guy that makes $100k/year, who got a gym membership located in a wealthy community for only $25/month.
Gym pricing is one of the most annoying pricing policies around. The best hack I found was the Costco $300-320 2-yr 24h Fitness All-Club Sport membership; prepaid, no hassles.
Gyms in Australia are often pretty cagey with the pricing structure and many have not historically advertised their prices openly. Because of that, I created gymprices.com.au - it does suffer from the problem that the traffic is people looking for prices rather than to share their membership prices, but maintenance is pretty minimal and it makes enough to pay various bills.