For example, my current pictures aren't great, but I would like to get the listing active now, then remove older pictures and add improved pictures next week. 

From the photo they don't look too bad - you could probably do without removing them to save that cost.  

A quiet title action doesn't remove a valid Mtg.  

So I just remove the gas line and people usually put candles or other decor on the fireplace.  

I haven't seen private entities typically ask for a subordination, but they could also be stripped by a foreclosure event.You'd need to ask a land use attorney if instead of removing and re-recording the easement, you 'restated' or 'corrected' the original easement.

Would it be easier to remove non-paying tenants if there is no lease, but rather just a month-to-month arrangement?

If they try to take you to court, you can always back down and remove the charges that won't fly in front of a judge.

Removed all the garbage, cleaned upon the yard, painted entire exterior, some new systems, plumbing, electrical, insulation.

Removed all the garbage, cleaned upon the yard, painted entire exterior, some new systems, plumbing, electrical, insulation.

I have been following up on Twitter news and they are removing people left, right, and center.