Milestones are bonuses that apply to your company. The more you purchase bulk materials or buy items or use features, the cheaper it gets.
Hey, Taxi! 
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| Fast Travel Used | Discount |
|---|---|
| 0-19 | 0 |
| 20-39 | 10% |
| 40-59 | 18% |
| 60-79 | 24% |
| 80-99 | 28% |
| 100+ | 30% |
Provides a discount on fast travel. Rank up every 20 times you fast travel.
Official Description: Fast travel is a popular way to switch between locations. Use it regularly to receive a discount on its cost.
Rent a Machine 
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| Hours Rented | Discount |
|---|---|
| 0-71 | 0 |
| 72-167 | 10% |
| 168-287 | 18% |
| 288-431 | 24% |
| 432-503 | 28% |
| 504+ | 30% |
Provides a discount on the daily charge of renting construction machines. Rank up after every few hours of renting. To rank up quickly, find a machine with a cheap daily rent, then rent it and pay its daily rent for an extended period. The amount of rent paid doesn't matter - the duration does.
Official Description: Regularly rent construction machines from the dealer and, after a while, he'll give you ever-increasing discounts.
Pallets 
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| Materials Purchased | Discount |
|---|---|
| 0-199 | 0 |
| 200-399 | 7% |
| 400-599 | 12% |
| 600+ | 15% |
Provides a discount from the material builder. Ranks up for every 200 items purchased.
Official Description: Regularly clear the building material dealer of stock and he'll show his appreciation with an ever-increasing discount.
Special Components 
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| Components Purchased | Discount |
|---|---|
| 0-9 | 0 |
| 10-19 | 7% |
| 20-29 | 12% |
| 30+ | 15% |
Provides a discount every time you purchase items from either the sawmill, prefabricated wall factory, or the steel trade. These special items are usually very bulky and are only provided when a contract requires it, unlike the building material dealer. Rank up every 10 items purchased.
Official Description: The sawmill, prefabricated wall factory, and steel trade produce custom components. Get a discount on your purchases by buying enough special components.
Asphalt 
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| Asphalt Purchased (Cubic Meters) | Discount |
|---|---|
| 0-99 | 0 |
| 100-199 | 7% |
| 200-299 | 12% |
| 300+ | 15% |
Provides a discount on asphalt purchases at the gravel pit. Rank up once for every 100 cubic meters of asphalt purchased.
Official Description: The most important resource for road construction. Once you've bought enough of it, you'll get a discount when purchasing asphalt.
Concrete 
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| Concrete Purchased (Cubic Meters) | Discount |
|---|---|
| 0-299 | 0 |
| 300-599 | 7% |
| 600-899 | 12% |
| 900+ | 15% |
Provides a discount on concrete purchases at the gravel pit. Rank up once for every 100 cubic meters of concrete purchased.
Official Description: An indispensable material for building construction and civil engineering. The more you buy, the higher your discount when buying concrete.
Sand 
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| Sand Purchased (Cubic Meters) | Discount |
|---|---|
| 0-99 | 0 |
| 100-199 | 7% |
| 200-299 | 12% |
| 300+ | 15% |
Provides a discount on sand purchases at the gravel pit. Rank up once for every 100 cubic meters of sand purchased.
Official Description: Use enough sand and get a growing discount when purchasing it at the gravel plant.
Soil 
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| Soil Purchased (Cubic Meters) | Discount |
|---|---|
| 0-99 | 0 |
| 100-199 | 7% |
| 200-299 | 12% |
| 300+ | 15% |
Provides a discount on soil purchases at the gravel pit. Rank up once for every 100 cubic meters of soil purchased.
Official Description: Buy large quantities of soil at the gravel plant and get an increasingly favorable discount.
Gravel 
[edit]
| Gravel Purchased (Cubic Meters) | Discount |
|---|---|
| 0-99 | 0 |
| 100-199 | 7% |
| 200-299 | 12% |
| 300+ | 15% |
Provides a discount on sand purchases at the gravel pit. Rank up once for every 100 cubic meters of sand purchased.
Official Description: Buy enough gravel and a steadily increasing discount beckons on your next purchase at the gravel plant.