Foreclosure pro se (representing yourself) in Arizona involves navigating a mostly non-judicial process for deeds of trust, requiring strict adherence to timelines for recording notices, mailing to borrowers, publishing in newspapers, and posting on the property, all before a public auction, with a crucial borrower right to reinstate (pay arrears) until the day before the sale; however, the process is complex, involving potential deficiency judgments, HOA liens, and strict procedures, making legal help often advisable, especially if the lender uses a judicial foreclosure (court-ordered) or if the property is over 2.5 acres. 

Key Steps in Arizona Non-Judicial Foreclosure:

• Default & Notice: Lender records a Notice of Sale (NOS) with the county recorder, setting a sale date at least 91 days out.
• Mail Notice: Trustee sends NOS to borrower via certified mail within 5 days.
• Publication & Posting: NOS published weekly for 4 weeks in a newspaper and posted publicly/on property at least 20 days before sale.
• Borrower's Right to Reinstate: Borrower can pay missed payments (plus fees) up to 5 PM the business day before the sale.
• Trustee's Sale: Public auction held on a weekday between 9 AM - 5 PM. 

Important Considerations for Pro Se Filers:

• Strict Deadlines: Missing a deadline can delay or invalidate the foreclosure, but errors are costly.
• Deficiency Judgments: For properties 2.5 acres or less, deficiency judgments (lender suing for the remaining debt) are generally not allowed after non-judicial foreclosure, but can be pursued after judicial foreclosure or for larger properties.
• Judicial vs. Non-Judicial: If the mortgage document lacks a "power of sale" clause, lenders must use a court-supervised judicial foreclosure, which offers a statutory right of redemption (longer post-sale period to pay) but involves more steps.
• HOA Liens: Homeowner Associations can also foreclose, adding another layer of complexity. 

Where to Find Help:

• Legal Aid/Bar Associations: For low-income individuals, find resources via the State Bar of Arizona.
• Arizona Courts Self-Service Center: Offers forms and information for handling cases yourself.
• HUD-Approved Housing Counselors: For pre-foreclosure counseling. 
• Recommendation: The foreclosure process in Arizona is intricate; consult with a real estate attorney specializing in foreclosures or a HUD-approved housing counselor to understand your specific rights and obligations before proceeding pro se.