Most investors on this forum are obtuse to the complicated nature of macroeconomics, cause and effect.

Click-through rate (CTR) helps measure how effective your ad is at grabbing attention, and if it’s low, you might need to adjust your targeting or creative.

My personal example is a one bedroom condo I’ve held my entire adult life - and this is in a top tier market - Dupont Circle neighborhood in Washington DC.

The Retainer Fee is credited towards whatever they buy from us in the 90 days, so in effect, costs them nothing.Note: we're not doing this to make money, but to avoid the time-wasters.

Should I make an offer with the qualification that all furnishings, dishes, pots, and pans stay, except for "personal" effects?

Effectively offering more than 100% financing.  

I own a 30-unit community and found it much easier and more cost effective than the 1-4 family and flips that I was doing before that acquisition. 

Your referencing effective age vs chronological age. 

ALL of my major problem tenants happened to have had a average (adults in the household) score below 625. 

However, the most effective method is to simply tell the tenant that they'll need to provide proof of insurance prior to or on the day 1 of the start of the lease, otherwise the keys will not be provided to them.