The agent did not earn commission on the deal as it was off-market and the seller and I handled the transaction.

and handle them compliantly so that you aren't liable for 2x or 3x damages?

If you leave faster than that, you will still have to pay for the full 14 days of rent and utilities;If you choose to depart early, I will not charge any termination fees;After you are out and return the keys, I will conduct a move-out inspection and handle your security deposit in accordance with State law.Landlord"

Will you handle emergency repairs between tenants?

However my real concern is you mentioned that your bills depend on their ability to pay as well which implies that you don't have sufficient cash reserves to handle financial hiccups without putting yourself and your family in a financial tight spot. 

Looking for advice on how to handle the lease and respond to these situations.

Can anyone recommend a property manager in Berks County area that handles SFH as well as commercial but has agents on the ground in the area?

@Jimmy JohnsonNot knowing your goals, I would agree with #2 Mammoth.I drove through that area last fall, it has an amazing amount of public infrastructure to handle tourists.

Thoughts on how to handle this?

But you do need to inform them of the change or better yet have the current manager send a letter informing the tenants of the change and then the new manager follows up with their own letter and you do nothing : )   Your managers should know how to handle this.