What’s the best way to incorporate a 30-40 mins exercise into my work week at home or in a hotel using my body?

First, A plan must be important to incorporate 30-40 mins exercise into the work week at home or wherever you are living and second, consistency helps you to go according to your plan

You can get up early and do it so that you can achieve your goals and be energetic in the morning and you can also do it after work but keep it before your bed time because as I said you will be energetic and to achieve your goals you must have some quality sleep