Short codes
it would be really convenient if you could add a short code giving the guest their door lock code without nessassarily having to explore the check in instructions link. 
Traveling can be stressful, Some people like  life simple with  no hassles having to  click on extra links- without added frustrations.  
To avoid mishaps where scheduled messages might not work properly  can't it be  programed 
the check yes or no  box questions  about your listing determine additional short codes  details such as keyless entry codes or gate codes?