Google Sheets Data Entry

I have several existing spreadsheets that need to be consolidated into a single Google Sheet. The source files already contain a mix of text and numerical values; your task is to copy or import that data and make sure every item ends up in its correct column and row... (Budget: $2 - $8 USD, Jobs: Data Analysis, Data Entry, Data Management, Data Processing, Data Scraping, Excel, Google Sheets, Web Scraping)