I cannot go in an re-write an existing lease. 

Respond very sweetly, and in writing, something along the lines of "It's obvious you are not happy here, and I want my tenants to be happy."  

I've heard the experts say I should show the numbers in writing to the other banks so they can try to beat it.My question is, how should I go about this?

However, this presumption does not apply if the rent is current or the tenant has notified the landlord, in writing, of an intended absence; orWhen the last remaining tenant of a dwelling unit is deceased, personal property remains on the premises, rent is unpaid, at least 60 days have elapsed following the date of death, and the landlord has not been notified in writing of the existence of a probate estate or of the name and address of a personal representativeness.”So is it 30 days or 60?

Offer to let them out early if they find something else, but make it clear (in writing) that they will not be offered a renewal and must be out no later than the termination date.

As well, we utilize the repairs and capitol improvement for write-offs.

Would I be able to write off a loss of $2,400 and carry that over to my personal taxes?

Should I write him a letter or should I first check to see if I can afford the home?

A $2k judgment is a lot easier to write over than a $20MM judgment.

In other words, you want them to agree in writing they will be out by X date. - Tenant pays monthly rent up until new tenant takes occupancy.