Inclusion Criteria:  18-65 years of age Fluency in English Understanding and willingness to comply with study requirements Referred to Addictions Program at CAMH and on waitlist for services Smartphone, tablet, or computer with access to the Internet  Exclusion Criteria:  Any known practical factor that would preclude participation (e.g., extended absences) Untreated or unstable severe psychiatric or medical disorder that precludes participation in the study (e.g., acute suicidality, untreated psychosis) Participation in another treatment/intervention study