Read the size off the side of the tire and post it to the forum. At least then we know what you're working with. There's a variety of trim levels for the Camry, but if yours has accessory wheels or some sort of appearance package that changed out the wheels for a different size, then that is the size you'll need to be looking for. Hence, why I would rather know what size tires you currently have instead of what trim level the car is.
For example, the stock Camry LE with standard wheels is 215/60-16. I'm seeing some mail-order tires as cheap as $250 in that size, but they pretty easily run up to and beyond $400 for the bigger brand names with longer treadlife warranties and better handling/noise qualities. You'll likely not see pricing like that at a tire shop, since they usually quote prices as mounted & balanced, which is usually at least another $25/wheel. So easily you're at $500 for just the tires, mounted and balanced. It would also be good to at least get a front wheel alignment, and potentially a 4-wheel alignment if there's abnormal wear on the previous set. That's another $80-120 or so.
Lastly, you may add road hazard insurance, which can be another $7-10 per tire, but is basically an insurance policy so if you get a flat tire that cannot be repaired with a standard patch/plug kit, they will replace 1 or 2 tires, as dictated by wear. For example, if the tires are already half worn, they need to do 2 tires so they are even left to right. If you live in an area where flats are common, that can be handy insurance to have. Otherwise you can pass. I always pass and only twice have I gotten an unrepairable flat in probably my last 200,000 miles of driving. I'm pretty sure paying out of pocket for tire replacement has still put me ahead of where I'd have been with free tire replacement, but for how cheap the hazard insurance is, it might be handy.
So bottom line, if you're rolling the standard LE tire size, you can probably have it done at an independent shop perhaps as cheap as $500 for all 4, mounted & balanced with at least a front-end alignment. I can easily see it being even more (especially from a dealer) for the brand-name tires and a 4-wheel alignment. $800 isn't robbery, but you can almost certainly save by getting off-brand tires from an independent shop and doing only the front-end alignment.