In Dota 2, efficient farming techniques are crucial for maximizing your gold per minute (GPM). Here are the top 10 farming techniques that can help you dominate the game:

1. Last-Hitting: Mastering the art of last-hitting creeps is fundamental. Aim to secure every kill to maximize gold earnings.
2. Utilizing Neutral Camps: Regularly clear jungle camps to supplement your GPM, especially with heroes who can farm efficiently.
3. Lane Control: Maintain control of the lane to ensure you can farm safely without being harassed.
4. Stacking Camps: Use the timing of the creep spawns to stack neutral camps, which you can clear later for bonus gold and experience.
5. Map Awareness: Always be aware of enemy positions to farm with safety, maximizing your time spent gathering resources.

Moreover, employing the right heroes can significantly enhance your farming capabilities. For instance, choose heroes with strong area damage abilities that can farm multiple creeps at once. Here are the remaining techniques:

6. Proper Itemization: Equip items that enhance farming speed, such as Battle Fury or Maelstrom.
7. Use of Support: Work with your support teammates to secure safe farming areas or to stack camps for you.
8. Rotating Lanes: Change lanes to avoid pressure and find farm opportunities when your initial lane becomes hostile.
9. Vision Control: Place wards to catch enemy movements and farm without fear of ambushes.
10. Efficient Movement: Optimize your pathing to minimize downtime between creeds and camps, ensuring you are always farming.

The mini-map is an essential tool for efficient farming, providing players with vital information about their surroundings. To optimize its use, start by customizing the mini-map settings in your game, allowing you to clearly identify resource locations, enemy positions, and pathway layouts. Make use of icons and markers to differentiate between various farming spots, which will help you prioritize your routes and maximize productivity during your farming sessions.

Another effective strategy is to constantly monitor the mini-map while in the field. Pay attention to alerts that indicate nearby resources or potential threats. Implement a systematic farming approach by creating an ordered list of tasks based on mini-map data:

1. Scout the area for available resources.
2. Identify and mark safe routes for resource gathering.
3. Regularly check for changes in resource locations.

When it comes to fast farming in Dota 2, choosing the right heroes can significantly enhance your gold and experience gain. Some of the best heroes for this purpose include Anti-Mage, known for his ability to quickly clear jungle camps and lanes with his powerful Mana Break and Cleaving Blade attacks. Additionally, Faceless Void can farm efficiently with his Time Lock ability, ensuring that he deals significant damage while avoiding attacks. Other notable mentions are Terrorblade and Nature's Prophet, both of whom can farm rapidly and contribute to team fights.

To maximize farming effectiveness, many players prefer heroes with strong area damage or abilities that can assist in pushing lanes. For example, Ember Spirit utilizes his Searing Chains and Fire Remnant to quickly clear out creep waves while maintaining mobility. Similarly, Slark is an excellent choice because of his Dark Pact and Pounce, allowing him to navigate the map and farm while avoiding danger. Along with these heroes, make sure to consider their item builds, as items like Battle Fury and Maelstrom can greatly enhance the farming capabilities of these heroes.