This is usually negotiated and spelled out up front and either can be the case and its likelihood of owner purchase and delivery may depend on the type of item. 

We have tried the add-ons like grocery delivery, tube rentals for rafting nearby, charcuterie boards, etc and have gotten ZERO interest.

One is at $100 per square foot including build and delivery, the layout and finishings are very nice.

They also included delivery, setup (unloading from the truck and setting on the foundation) and close up of the home which is attaching the module as, finishing the siding, all the interior finish work, patching cracked drywall, installing carpet, etc.

PM likes to order from one of the big delivery companies HD or MD Supply at 5-20% above retail or a "deal" that they have with a company like GE.

Of course the person using your mail delivery service would be notified when there is something there and who its from, minimizing traffic.  

Coverage is great and wear is super,, Sherwin Williams has a great builder brand also and the corporate complex I worked at had account with them good paint and they had delivery so we'd order up enough for our monthly turns..

If it happens again, I’ll have to change the method of delivery for them.

.)- CRM for your sellers, buyers, properties, team members (agents, lawyers, title, etc)- lead fallow up system with access to call recordings, email and/or sms, tracking number of touches- ability to track KPIs (key performance indicators) of a given campaign (cost/benefit analysis)- delivery system for campaigns (direct mail, ringless vmail, sms, email, cold calling)- ability to add, manage and assign staff to tasks and projects- add tasks to calendar for assigned staffasking for a friend  :^)

Since the delivery is the same for 1 or 2, always buy 2.