Basketweave vs Continental: Which Tent Stitch to Use - Basketweave, continental, and half cross compared: why continental distorts canvas, how basketweave follows the weave, and which tent stitch to use where.
How Much Thread Do I Need for Needlepoint? - Needlepoint thread estimation: yards per square inch by mesh count, a worked skein-count example, the 20% dye-lot buffer, and the test-inch method.