Buying a home every 2 years, renting the previous home out, and repeating, good idea?

[Daniel Ben-Hur]

My and my soon to be wife both graduated college at the same time and we make a combined $150k/year ($75k each) We are still living at home with our parents to save money, and we want to build wealth in real estate. 

We both have 0 debt. I’ve seen many strategies, but this one that has caught my eye recently. Purchasing the right home every 2 years, then renting it out to someone and purchasing a new home. Repeat for 15ish years to hopefully own a total of 6-7 homes by the end of this. I am projected to make $100k and she is projected to make $150k within the next 5 years, and on from there. Is this doable on our salaries in Bakersfield, or would it be better out of state?