Then set the standard that your contact be returned within 24 hours, 2 business days - whatever is your professional standard.  

If you send an email or text, you would appreciate a response within one business day.

If he hasn't dropped an EMD, you have no contract.Even if he has, the contract price is the contract price unless you both mutually agree to a different contract.FYI, I'm not a lawyer, so you may want to run this buyer your title company.If it was me, I would kick that buyer to the curb, if he hasn't dropped their EMD.As for me I give buyers 3 business days to deposit and EMD, or it goes to another buyer.

It is possible to tie them together but generally are considered separate agreements under AZ real estate law.The lease is the lease and in AZ the Landlord is responsible for accounting for the deposits and refunding any funds within 14 business days after lease expiration.

Dwellings that are unfit for human habitation are provided only three days to comply.Change the requirement that the City mail notice to the “last known address,” to instead, the property address and the tax address, and provide that the time notification period begins to run on the earlier of: five business days from the date of mailing; the date of actual delivery; or the date the notice is posted.Change the appeal fee charged to citizens who choose to challenge a citation from a non-refundable $50 to a refundable fee if the appeal is successful.Change the time in which a person may appeal a citation from 10 business days to 20 calendar days.Amend the code to require distribution of housing and rental program information by the City to owner occupants and tenants during all inspections.Amend the code to require quarterly reports to City Council providing the results of rental inspections and other information the L&I Commissioner determines should be included."

In order to install, inspect, and maintain the device, owners are permitted to enter the unit during normal business days and hours, provided the give the tenant written notice at least 24 hours in advance.

In that regard, Buyer shall have until the business day before COE (the “Inspection Period”), during which time Buyer will have the absolute right to cancel this Contract for any reason whatsoever, in Buyer’s sole and absolute discretion.

I will then reissue a new 3 day notice for the new amount owed, setting the process back about 4 business days.

The notice must end on a business day, not a weekend or holiday. 

The deductibility of your full trip to your rental is not automatic; it depends on how many days you were there and how many were business days.