So what are some ways that buyers (and their brokers for that matter) can elevate their client(s) offers when they are competing on popular or HOT prospective properties against multiple and/or cash offers? 

This would not be my first choice unless you have an air-tight exit strategy that does not rely on a bunch of "maybe's".

Adding the right amenities like a hot tub or sauna here in Colorado make a big difference as well.People are still going to visit Sedona.

That's where I expect the hot growth to be over the next 10-20 years.

I downsized the heating and air system but added a 2nd, separate system. 

The roof was replaced this year and the Central Heat and Air unit was replaced within the last 3 years. 

Renters do not change out air filters!  

raising the rate like this on an owner occupied could get you in some hot water.

Some electrical is involved to add light to bedroom and some work to add air register.

If you want to be competitive and the market is hot, your total earnest money (all in before closing) should be at least half of your downpayment.