For example, people who invest in single family homes rarely think about noise control issues, and extra insulation between units to cut down on sound transmission.

Will,While mortgage rates are so low and home values are so high use the equity in one of your homes to borrower the cash and stay cash fluid. 

A heat pump is much more efficient, even factoring in power generation and transmission losses.

But still, a Licence (and a commercial lease) does not guarantee against major mess ups:Given Windshield Wiper Fluid to drink: https://www.findlaw.com/legalblogs/consumer-protection/ten-arkansas-daycare-kids-poisoned-after-drinking-windshield-wiper-fluid-koolaid-are-your-children-s/Given Antifreeze to drink: https://www.idahostatejournal.com/news/local/pocatello-toddler-ok-after-accidentally-being-given-sippy-cup-full-of-antifreeze/article_bc78fc64-2f57-582d-8d3d-6b92f3b1bfdd.htmlGood Luck!

^^ Numbers are fluid here, but the point is that it demonstrates to this person that you understand that they are a professional and offer value (the very reason you want to work with them) and that at this moment you are a man with a hope, not a ready, willing, and able buyer.  

@Jaydon H.Power eng don’t really do much of forces along beams etc, mainly fluid and gas dynamics.

They were 4 months behind in rent and the apartment is a mess with trash, old food and body fluids. 

They were 4 months behind in rent and the apartment is a mess with trash, old food and body fluids.

Here's mine from the last few days.Propane stripper: a large piece of equipment that removes propane from semi-refined crude oil just before it reaches a fluid hydraulic catalytic cracking unit.Chulo: Spanish, a pimp or gangster type of person that is attractive looking.

Marketing is fluid.