Book Downloads Welcome to the Professional Investor Systemâ„¢ "Before You Quit Your Job" Downloads The basic tools mentioned in the book. Seller Lead Sheet Capture seller information, motivation, and property details for lead qualification. Download Word Document Repair Estimator Estimate the After Repair Value by analyzing comparable sales and neighborhood market trends. Download PDF Document Purchase Agreement Calculate the Maximum Allowable Offer using repair estimates, projected value, and target profit margin. Download Word Document ROI Calculator Calculate return on investment by analyzing profits, costs, and cash flow projections. Download Excel Tool