Hello,
 
 As you all know November 1st is the Feast of All Souls' Day. 
I usually volunteer to teach students' important literacy skills on the day November 1st falls on.
Is that an acceptable thing to do on a Holy Day of Obligation?

Thank you  

Thank you for your reply :) 
Additionally, can you purchase items on a Holy Day of Obligation? Or is a Holy Day of Obligation considered to be like a Sunday?

I don't work on Holy Days if I can and I also try not to purchase anything either.

If yyou can go to Nass, then go.  If not, offer up your work with the children for the suffering souls and try to read the Mass readings.  

US employers generally don't honor Catholic Holy Days except when it benefits their bottom line.  I'm in a similar position as a teacher of special needs children for whom a substitute is upsetting, however sdll-qualified.  My hours tomorrow are from 6:45am to 7:15pm with all "breaks" on location.  I never hear Mass on Holy Days that fall during game the work week because there are none early or late enough close to my job.  In fzct, Mass is a rare treat, as are receiving the Sacraments.  I'm either at work or attending to necessary care of family members.  The nearest traditional Mass is simply too far away and at hours impossible for me to access.  

I came to the conclusion three years ago, All Saints Day, that if I wanted to save my soul, I'd have to do it without the help of Mass, priest, Sacraments, and fellow Catholics.  This is hardly ideal, but it's the best I can do until God sees fit to change my circuмstances.