Authentic Transaction Documentation Project

【Project Introduction】 This is a data collection project for research. We collect genuine transaction receipts. All materials are only used for research, and personal privacy will be fully protected. No private information will be disclosed. This project complies with Upwork rules. Receipts must be authentic local samples; forged or cross-region materials are unacceptable. Rates and regional tiers are listed below. EML Email Receipts T3: 0.8 USD per piece T2: 1 USD per piece T1: 1.2 USD per piece Receipt Photos / Screenshots T4: 0.5 USD per piece T3: 0.6 USD per piece T2: 0.8 USD per piece T1: 1 USD per piece Tier 1 | Highest Difficulty Regions: da_DK Danish (Denmark), sv_SE Swedish (Sweden), nb_NO Norwegian Bokmål (Norway), fi_FI Finnish (Finland), tr_TR Turkish (Turkey), he_IL Hebrew (Israel), ar_SA Arabic (Saudi Arabia), ar_AE Arabic (UAE), pl_PL Polish (Poland), it_CH Italian (Switzerland), de_CH German (Switzerland), zh_TW Traditional Chinese (Taiwan) Tier 2 | Medium-High Difficulty Regions: fr_FR French (France), fr_CA French (Canada), it_IT Italian (Italy), de_DE German (Germany), es_ES Spanish (Spain), es_MX Spanish (Mexico), es_CL Spanish (Chile), es_US Spanish (USA), pt_PT Portuguese (Portugal), pt_BR Portuguese (Brazil), ja_JP Japanese (Japan), nl_NL Dutch (Netherlands), nl_BE Dutch (Belgium), en_AU English (Australia), en_NZ English (New Zealand), en_ZA English (South Africa), en_IE English (Ireland), en_SG English (Singapore) Tier 3 | Medium Difficulty Regions: vi_VN Vietnamese (Vietnam), ms_MY Malay (Malaysia), id_ID Indonesian (Indonesia), th_TH Thai (Thailand), hi_IN Hindi (India), en_IN English (India), ko_KR Korean (South Korea) Tier 4 | Lowest Difficulty Regions: zh_CN Simplified Chinese (Chinese Mainland), en_CA English (Canada), en_GB English (UK), en_US English (USA) Delivery Requirements 1. EML: Original .eml files; email screenshots are invalid. 2. Receipts: Photos of physical receipts or official electronic receipt screenshots. 3. All submissions will be checked; unqualified samples require replacement.