Each will spend it all, what changes is how expensive the items each group buys is, not quantity. 

I think it is better to concentrate on quality instead of quantity.

When possible, I like to leave some bottled water in the fridge and some non-perishable food items (bags of nuts, individually packaged bags of chips or popcorn, etc) with a note welcoming them.Toiletries are also a good idea...like the size and quantity you would find in a good hotel.  

I think the biggest hindrance is the ability for companies to ramp up production fast enough to produce high enough quantities. 

Type 1 actually consists of two different types:1a) Large companies committed to profits, offering low and/or flat fees to get investors to hire them in mass quantities, but are using poorly trained offshore workers to handle everything remotely.1b) large companies committed to service, not offering teaser rates, so they have the cashflow to offer better services.

I want to find a solution in effort to maximize family harmony!  

Quality is in the quantity.

It is becoming more and more difficult to reach who I need to reach with the quantity of colleagues I have.

If you gave him a blanket statement to install per local code and you didn't give him a specific quantity or location then the contractor is at fault. 

Good points about qualifying opportunities and quality over quantity.