Some equipment is too expensive to be disposable and therefore requires enhanced cleaning protocols[0], but reusing as much equipment as possible just to save a few bucks seems penny wise but pound foolish. Why add unnecessary risk [1] if you can easily avoid it?

[0]https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3623380/

[1]https://www.scientificamerican.com/article/evidence-for-pers...