I'm running that configuration with a somewhat powerful desktop and an el-cheapo 10.1″ 2-in-1 (worth ~$200, I bought an used one for ~$120). I was initially saving up to replace the latter with a powerful small laptop, but over the past couple of months necessity made me learn to work more over SSH. So today, I can do 90% of my work somewhat comfortably on that small 2-in-1 via SSH-ing to my desktop and running an extra Emacs frame in terminal. Since that's just a "view" of the same instance I have running in GUI mode on my desktop, I can switch between the two machines almost completely seamlessly. This fits my current needs so well that I actually refrained from buying new hardware right now, and will just keep the money in a "hardware fund" until the poor little 2-in-1 dies.
Yes this is very similar to my workflow. I have pretty much given up on finding a "powerful but small" laptop because I realised that this type of machine is also guaranteed to suffer from thermal throttling
