I'm guessing the window is at least 11 years old based on that comment - current modern windows are designed to last 8-20 years...and that's CURRENT technology. 

Even for two complexes with similar style heating systems, I would imagine costs would vary greatly depending on the age/technology of the heating plant. 

How does the technology work - can we just drop by and get access to a listing with eKey without calling or requesting a show time?

Insightly isn't as flexible, so this is a good general guide.Here's a list of the technologies at work:-Insightly: Great CRM, but not built for tracking phone communications.

.- Buy some Technology - new devices or software.- Ask Contractors to invoice you NOW for work they have done or are about to do.- Pre-buy construction materials maybe even some storage to put them in- Buy tools for you or your contractors to use on a future flip - Hire an accountant to help with some of these ideas

Are there any suggestions on firms that lend themselves to technology.

The other advantage is the technology and ease of communication/distribution.

What will our communications look like (how often, technology used, etc.)?

They have some really great training and technology available to the their agents plus profit sharing and a capped commission split.

This is probably time to mention that I am telling you to be aware that there are many blood-suckers on the Internet and just be aware of their intent and they know how to sell based on emotion to sell things you do not really need and real estate brings in a bunch of money from beginners that have not learned yet to be aware of them.I do think that technology has much to do with effective marketing and sales.