They have to continue paying under the terms of the note or surrender the property.

What would be some of the advantages and disadvantages of it being its own borough surrended by the city.

Although buy-outs of tenants are less likely to be initiated by owners in the current environment, those landlords whose assets would be favorably impacted by the Substantial Rehabilitation process would likely continue to offer financial incentives to tenants that would allow them to exceed the vacancy threshold.This would likely play out as an “all or nothing” arrangement where an owner would offer a lump sum to a group of tenants as long as all of them agree to sign surrender agreements.

There is no dupe on the Borrower since, they surrender the property and are released of liability.  

This is no benefit to filing a Writ involving a property in which possession has been surrendered

Unless they are just walking away, surrendering their security deposit, etc.  

Under Pennsylvania law, a landlord must return the tenant's security deposit within 30 days after the tenant has surrendered the rental property to the landlord (that is, returned the keys and vacated the property).Learn more about tenants' rights and landlords' obligations when it comes to the return of the security deposit in Nolo's chart Cleaning and Repairs a Landlord Can Deduct from a Security Deposit and Nolo's article Get Your Security Deposit Back.Is there additional information that Pennsylvania landlords must provide to tenants when it comes to security deposits in Pennsylvania?

Mobile homes will depreciate like automobiles if they are not affixed to  real property Once title is surrendered at DMV and deeded to the land they do not depreciate unless the market dictates otherwise or if the home is not kept up.  

If you are resident is signing a lease with option to buy, I would ensure that they surrender a non-refundable option fee.

In order to secure the premises, the Owner has intentions of having a locksmith change the locks on that date.This notice to vacate is due to acquisition of this property at Sheriff Sale by ________________ the Owner of this property.Should you fail, refuse or neglect to vacate said premises by the given date shown above, legal action (as the law requires) to obtain prompt possession will begin so as to evict or remove you from the premises.Should you have need to remain in possession beyond the date mentioned above, yet are willing to surrender possession of the premises voluntarily without need for legal action on the part of the Owner, you should promptly contact the Owner's Agent whose information appears below to attempt to make an arrangement.Thank you for your cooperation.Agent name: ______Agent's phone: ______Then another notice of changed locks gets put up.