Is the UOB Preferred Plat Visa Card really the best card for daily generalised spending to earn miles?

The downside to this card is you must spend in stacks of $5. For instance, you will get zero UNI$ for spending $4.99.

However, this card is certainly good if you can plan your spending perfectly for paywave spending. That aside,

For general cards, consider Citi PremierMiles at 1.2 miles per dollar. For stacks in $5, consider UOB PRIV Miles @ 1.4 miles per dollar.

For online spending, consider Citi Rewards @ 4 miles per dollar, capped at $1k monthly.

For shopping and entertainment, consider OCBC 90°N CARD @ 4 miles per dollar

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This would be the best if you paywave frequently. You will effectively earn 4 miles per dollar up to a cap of $1k (technically $1,110) per month.

The miles actually accumulately slowly, but it works.