Tips for a beginner

Hello, im new in this brick world so it could be awesome if more experienced people could help me giving some tips. I thought about tips as (all are invented by me, i dont know if those are true thats why im asking you): -Compare the cost buying the bricks at bricklink with the cost buying the figure in a website online. -When you are doing the list of blocks at bricklink add one more brick for each block just in case one block is damaged or lost. -Buy at te same time the blocks for 2 or 3...