There are many Feng Shui habits that are used in Feng Shui:-
In general, Habit 3: Maximising Marks
Habit 2: Fix-the-Leaks, First! = Fix as many leaks to maximize marks under Habit 3.
Habit 1: FS Triage to find out locations where perhaps wealth can be increased and/or sectors that may need to be neutralised....
Reference resource on the above:-