While these shops likely wont have as cheap prices as the retailers, they can get you on the inside track with special events and products that can be hard to find elsewhere
Eevee Heroes has that advantage: its best cards and product identity point in the same direction
2 Likes JasperSpeelman May 31, 2018, 3:58pm 4 Logo-V5-31-05-2018600825 97.4 KB Thought you might like this one 1 Like TheVenomViper December 11, 2018, 5:37pm 5 They really need to add sleeves, but not just Pokemon Sleeves
Being more general and touched on already for the most part I will briefly state why these mechanisms improve the game
Dominaria, Innistrad and M12 all provide solid cards that can fit in most decks, as long as you disregard the cards that depend too much on synergies (UR wizards,Burning Vengeance,Tribal cards from Lorwyn, etc.)
It might be that the best route is mana rocks, but well see what this set of commanders leads to