@Brett Jones yep they are expensive, especially at that scale but consider the maintenance costs of additional heating systems and how he numbers change with more units.

I am based in Ventura and have experience managing rentals and we work with all kinds of investors in addition to being an investor as well. 

Are you aware that a percentage of rent on additional units of MF can be used as income to qualify for the loan? 

This can make the real estate investing process and management more efficient and less burdensome.Here's an article with additional FAQs on cost segregation studies that you may find helpful. https://www.biggerpockets.com/forums/51/topics/1113749-cost-segregation-faqAre you streamlining your services?

I will also be tracking expenses related to repairs, maintenance, travel to and from NV, hotel stays, meals, gas, and other regular business costs.In the long term, I aim to purchase additional properties under the business name, but I understand I need to establish at least two years of income and credit history before doing so.The issue I’m encountering is that my accountant has not provided any guidance on how to structure this scenario.

Most serious and qualified tenants are searching on the major 3rd party platforms you mentioned + realtor.com, redfin, and a few others.Apartments.com & homes.com are owned by the same company and may offer some additional marketing options.Another strategy to consider here is social media - video marketing.

I have landlord insurance but wanted to get an umbrella policy for additional protection. 

(Be sure to factor in vacancy, PM fees, maintenance, etc in addition to PITI)•Do you have additional reserves to cover unexpected expenses like long than expected vacancies, high turnover costs, or major repairs (e.g., HVAC or roof replacements)?

In addition we would like the flexibility for me to be able to supplement my income or leave my employer as we see fit.

However, if you analyze what we have vs. what other states have there are numerous reasons why we are a great state to invest in.I hope all of that makes sense but feel free to ask anything additional.