Instead of trying to seal the entire HVAC system, take off the register covers and staple screen over the opening, and put the covers back on.

By marketing "fast and easy" as the staple of their business, consumers bought in and didn't do enough due diligence to see what was really happening. 

It sucked.3) This is a foam channel that can be stapled to the underside of your decking that will butt up to the soffit leaving a path for the air to flow into the attic.

This is why cold calling will never die and should always be a staple of your marketing.

2) I pulled up the carpets and removed all the tack strips and staples.

@Ben Staples Here is a great resource all about roof ventilation. http://www.airvent.com/ 

The fact is, most homeowners do not know what is 'good' and what is 'average' or they would not hire someone...this means that there is a high chance that you do not know either.If you do not understand the different types of construction dating back 200 years from balloon to platform framing and if you do not understand structures and and how loads travel through walls, beams, columns, and footers..you should not GC any structural projects.If you do not know the difference between a level 2 or level 4 plaster finish or the differences between a dovetail or stapled cabinets, lippage for tiles, or how climate, season, or recently poured concrete impacts hardwood floor installation, you may not make a good non-structural GC.Point 2) IF this contractor thinks it's such a good idea to get licensed...why doesn't he get licensed?

Liquor bottles, Christmas lights INSIDE and posters are all staple decorative items for college kids. 

However, I usually try to make them beneficial to my tenant client (ex. lesser penalties for paying late).I would have an attorney create your lease or if you do it yourself, don't use some generic one from Staples. 

Hey Ben Staples my neighbor used Bill Sweet from swampscott