Understand the local permitting requirements, keep eyes on your property to avoid squatters, and make sure you have a great vacant insurance policy while you're renovating.

I can buy a 2-4 unit with 20% down vs conventional can only buy a 2-4 INVESTMENT property with 25% down 4. there are options where DSCR loans dont repot to personal credit, helps in not having to show a bunch of paperwork or not one person in a partnership has to carry the debt5. way less paperwork to close on this loan type vs a conventional loan. we care about the income of the property you're buying and it's ability to service the debt of the property whether we use long term rents income, lease income, or air dna/bnb income.6. easily buy in partnerships, add people to your operating agreement, its as easy as that so bring partners into a deal. helps with scaling and raising capital or getting partners involved7. gift funds allowed to close on these as well, and like I said earlier, there's only a 10day seasoning period of funds with some lenders so that means you can literally have a private money lender deposit money into your account 11 days before closing, and you can use those funds to close!

Insurance is $2,245 yr. 

The fire insurance companies dropped policies holders when they knew the fire was coming, in some cases, they're not even paying the full amount, and there's the case where some people didn't even have insurance.For those people who just want to walk away from this entire experience, is it possible that  morally-driven wholesalers can help them in a situation where not only the California government failed them, but also the Insurance companies?

Here in the USA you need what's called a "construction loan" and it's also very hard to find a company that will insure you if you're a newbie.

-Will it be robust enough to track additional business expenses that are NOT tied to a single property (IE; Business insurance, Home office, ETC?)

There's too many investors who are front page news in Northern states re CFDs gone bad and Texas where lease options went bad and the state enacted buyer protections...Take care to all.   

Health insurance, 401k, etc., and usually 8am-12/1pm daily. 

Any recommendations for Umbrella insurance providers for each partner to cover any liability?

A good rule of thumb is to have 3-6 months of expenses (mortgage, utilities, insurance, etc.) set aside per property for emergencies.