Chapter 02
The 5 Safety Rules
Follow these rules consistently. They protect you from costly mistakes.
1. Buy During Bonus Promotions
Never buy miles at full price. Wait for 50-100% bonus promotions. These happen regularly throughout the year, especially during Q4 (October-December). A 100% bonus means you get double the miles for the same price.
| Scenario | What you pay | What you get |
|---|---|---|
| Base price | $1,400 | 50,000 miles |
| With 100% bonus | $1,400 | 100,000 miles |
2. Do the Math First
Always calculate the total cost (miles purchase + taxes) vs. the cash business class fare. Aim for at least 40% savings to make it worthwhile. Factor in the economy fare too to see your premium.
Calculate:
- Cost to buy miles during promotion
- Award taxes and fees
- Total cost (miles + taxes)
- Business class cash fare
- Your savings percentage
Use our calculator to run the comparison.
3. Check Space Before Booking (When Ready)
When you're ready to redeem, verify award space is available for your desired route and dates before booking. Use AwardBrain to search across 25+ programs at once. If you're stocking up during bonuses, you can search later when you're ready to travel.
| Approach | What it looks like |
|---|---|
| Good | Stock up during a 100% bonus in November. Search for flights in January when you're ready to book spring/summer travel. |
| Bad | Buy miles at full price without a promotion, then find out there's no availability for your exact dates. |
4. Book Soon After Purchasing (For Immediate Trips)
If you're buying miles for an immediate trip (within days or weeks), book as soon as miles post to your account. Award space can disappear quickly, especially on popular routes. For strategic stocking up, this doesn't apply — you'll book when you're ready to travel.
Typical timeline:
- Miles usually post within 24-48 hours
- Sometimes instant, sometimes up to 5 days
- Don't wait weeks — space can vanish
- Have backup dates ready
5. Stay Within Purchase Limits
Each program has annual purchase limits. Respect them. Trying to circumvent limits can get your account frozen. Plan your purchases strategically across the year.
| Program | Annual purchase limit |
|---|---|
| Aeroplan | No annual limit |
| Flying Blue | No annual limit |
| Qatar Avios | 200,000 per year |
Why these rules matter
These aren't suggestions — they're the foundation of smart mile buying. Break these rules and you'll either lose money or end up with miles you can't use. Follow them and you'll consistently get 60-80% off business class flights.