In Maryland you can renew them for a 12 year period forever.

Or just have them do a new lease or an addendum to the lease to reflect the new grace period.Tenants aren't grandfathered in forever on their terms.

This is an A/B neighborhood property and I'd like to keep it for a while, if not forever.- Does anyone factor in one time expenses (e.g. closing costs, potential upgrades/repairs the property might need) into their analysis?

We've already had the experience of building a house on a slice of land that was empty forever - and then having to live with cranky people who could not accept that the land was developed.

I would assume if you are going to buy and hold and 1031 exchange forever the strategy would be to get a price reduction.  

Is an llc forever or does it disappear once the flip is sold?

You can buy 4-5 turn key properties putting 20% down meaning at the end of this your cash is out and gone forever until you make your money back on rents or you sell at some point to get your money back 3.

This is really the same old issue that used car sales have had forever.  

I hear people say they don't like the risk of investing in real estate, and depending on tenants to pay you, and of course the response is, "Yet you risk everything on the assumption that you will have your job forever?" 

It would take forever to get your money back on this.