I think they also need to be located in desirable, urban areas with strong rental demand, which can make finding tenants easier.

Usually I would think it's easier to have the LLC where you are.In SC I can create a LLC for $110 and not have any annual fees to maintain it.

Eviction is easier and faster.

Easier ways I do this are using a site like rentometer.com - which is a subscription service that provides market rents by address with comps OR using zillow and/or craigslist to see what rents are in the area/zip code.

If you have a good and steady income, you are easier to get financing.

There a ton of opitions for investors and a few new programs have just opened up that are making it easier to build an REI portfolio. 

They appear to be a national wholesaler, with local "affiliates".  

I currently don't have an LLC for the real estate side and was thinking it would be easier to just start doing business under the LLC that I set up for Turo, instead of going through all the paperwork of setting up another one.Thoughts?

This includes title reps, attorneys, and lenders keeping the communication flowing with them is what ensures a smooth closing.In my experience, a well-organized checklist minimizes risk and makes the entire process so much easier.

@Terris Elliott If an LLC has a single member, it certainly makes things easier.