I'm getting an interactive archviz job soon, what should I know?

I've been working as a 3d generalist for games for some years now but as the industry is not making well lately my cousin who has worked for a big real estate company for 3 years told me that he can easily get me a work if I create a portfolio. That is basically what I've been doing the last couple of months and I just wanted to ask what can I expect working in a different market like this is