You must have a Dexterity score of 13 or higher in order to multiclass in or out of this class. The Rogue LevelProficiency BonusSneak AttackFeatures 1st +2 1d6 Expertise, Sneak Attack, Thieves' Cant 2nd +2 1d6 Cunning Action 3rd +2 2d6 Roguish Archetype, Steady Aim (Optional) 4th +2 ...
and certainly there are many excellent multiclass builds for Rogue. Just looking at straight Rogue though a Thief gets as many attacks as any other class does (if not more) while dual wielding hand crossbows excepting Fighter 11+ which is definitively end game. They also get Great Weapon Mast...
The damage bonus is also mitigated by having access to a rapier, since two weapon fighting is what would've kept you using shortswords or daggers in the main hand. If you took a level in Fighter instead, you'd get medium armor, shields, Second Wind (1/SR) and a couple more HP at...