Also, cost segregations are usually done on multi-million dollar assets not single-family homes.

My clients are still buying long term stabilized single tenant NNN more 10 to 15 year type stuff.I am buying with my syndication all cash short term lease blend and extend opportunities.Accredited investor 200k minimum per property for LP'sTypically pay 8 pref on value add deals and split cash flow thereafter 50/50 between LP and GP.Closed on Walgreens last month at 11 cap rate absolute NNN with 5 years primary term remaining. 

If you are asking unit count than about 60ish and that does not include single families.

Apparently, this is deeply embedded in terms and conditions (fineprint) when you sign up, do you really read through even single line item?

What do you feel your greatest need is as you transition from single-family to multifamily?

Getting multiple contractors involved will be your best bet to get a reliable estimate, though you need to come up with a scope of work.

You could form a single LLC for all properties, which is easier to manage but carries shared risk, or you can create an LLC for each property, which offers better protection at the cost of more administrative work.

Also, multi-unit sales involve more legal and financial nuances than single family homes so it will be in your best interests to work with an agent.

Grade B-C single family home. 

If it's a single member LLC then they prefer to have an officer sign, which would be you and your legal name.