Also, you can always cashout refi them AFTER retirement and get that money tax-free (until you sell or transfer via inheritance).Recommend you read The Millionaire Real Estate Investor, which shares the plans of several different investors.

My sister and I will inherit our grandmother's property in New Orleans, Louisiana.

I do know of a few that could help, just sent a DM.Also 100% agree with @Bill J Fay, being up front about costs and region will help as much as possible going into a tricky deal to try to lessen any potential 'surprises'.

(I inherited partial ownership in several buildings more than 20 years ago.)  

I bought a duplex a month ago and inherited a tenant on each side.

With an aging population, boomers and other are inheriting a depreciated asset that they have back-taxes to pay on, and they just let them sit.

I kept the inherited tenants on month-to-month and had them sign a new lease with my "company."

It doesn't really matter what the last landlord did unless it's in the leases you inherited.

If we have joint tenancy does this mean his wife does not inherit his share? 

In my state, property management is completely unregulated- generally, that's a good thing for business, but man, you should see some of the leases we inherit.