<prompt> Human: I have been told to shove all my receipts, literally all, into a box in case I need them, which has been a hassle for returns and is completely unorganized. I dont much see the point of keeping a 5 starbucks receipt as you cant return it, and I dont imagine it mattering on taxes, especially the super cheap and simple taxes I file. I am pretty certain I should keep school-expense receipts, even if I dont have a reimbursement-type scholarship, but the bookstore also has not-book things like flash drives, pens, food... and now Im confused. Plus almost all of my transactions are by plastic of some form and cataloged by Mint, so are those records good enough or is paper still the only option?So, people who have at least a basic understanding of finance, which types of receipts should one generally keep, which should be tossed, and for what reasons?Bonus question: Whats a good way to organize all the receipts if I dont need some small business thing like quickbooks?  <response>: Like your intuition... keep the receipts that matter. Big purchases, education expenses, etc. Warranties - Original receipts are best.Taxes - Receipts are supporting material, you can summarize them in spreadsheets for anything applicable for deductions or what-not.Self employmentbusiness - Receipts are supporting material here for audits, summarizing them in spreadsheets as you go for Schedule D or other records.Organization - Lots of people scan them. I just have a file called big purchases physically and virtually 