When purchasing a quality blackboard for home use, particularly one between 6 to 8 feet long, several factors should be considered. Preference for blackboards over dry erase boards is common, with many users citing issues like dust from chalk and the maintenance of whiteboard markers as drawbacks. Online school supply companies offer blackboards at prices around $800, with shipping costs varying; one example cited a shipping fee of $150. Alternatives include office supply companies, which may have more options, and paint that can transform a wall into a blackboard, providing a cost-effective solution. Users also discuss the practicality of maintaining a blackboard, with some expressing confidence in managing chalk dust as part of their cleaning routine. The discussion highlights a growing trend of converting from blackboards to whiteboards in educational settings, but personal preferences for blackboards remain strong among certain users.