I am seeing a growing number of adverts for iot architect positions. Kind of hard to appraise this doamin given that its a dot net and iot is still growing. I would imagine low to mid xxx
It's a new market so is really hard to put a price on it. You'll have to wait a little while and allow the market to grow so you can see trends and prices etc.
Uh, sorry, I thought that it is .com, my mistake. .coms IoT market needs time to develop. This is not time for .nets yet. In future it can gain some value