What is the suppressors main use? Target shooting, plinking, hunting etc.
Most my cans are on hunting rifles, so it always comes down to length, weight, and sound reduction. I'll spend $1,000, $1,500 once instead of $500 - $1000 twice with the additional tax stamp costs. Even if the can didn't meet expectations its not the end of the world, you now have an excuse to find/ build/ buy another firearm so the can has a home.
You get what you pay for is somewhat valid for suppressors. You can find a solid can for 6-$800 and it work great, or you can double the cost and get a can that is 1-2" shorter, 5 ounces lighter, 5 more db's of sound reduction etc. It is diminishing returns as far as performance goes. Just do a lot of research, go through reviews, forums and compare. Buy once cry once, or save money and try the economic route. Either way once you get the first one you'll be buying more soon after.
For your first can I would also recommend a 30 cal that is hub/ qd mount. That will be the most versatile suppressor you can get, going back and forth between 1/2-28 and 5/8-24 threads. I like the hub / QD mounts with built in muzzle brakes so you don't have to mess with putting thread protectors back on the rifles / AR's. I haven't used the AB-A10 but it looks like a good can for the money when comparing specs and cost.