Every Pick 3 combination, narrowed to a shortlist you could actually play. Switch digits off column by column, then filter by what the game has really drawn. This does not improve your odds. Cutting a thousand combinations to a hundred stakes less money on a narrower guess — every combination left is still one in a thousand.
Digits
Every digit starts in play. Switch off the ones you don't want in that position — each column is independent.
Filters stack — a combination has to satisfy all of them to survive.
30 draws in that window.
The digits added together. Sums in the middle are far commoner than the extremes — there is one way to make 0 and 75 ways to make 13 — so a middling range covers most draws for a fraction of the combinations.
A shortlist changes what you stake, not what gets drawn. If playing has stopped being fun, there is help here.