How to choose a business card for a side business by running your own bills through it

The short answer

For a side business with mixed expenses, Julia's starting point is a plain no-annual-fee card. In her weekend-repair example, 9,000 dollars of yearly expenses earns 180 dollars on Amex Blue Business Cash at 2 percent. Chase Ink Business Unlimited earns 135 dollars at 1.5 percent. The gap is 45 dollars, and it assumes you qualify for both cards and pay no extra fees.

A category card or a paid card can come out ahead, but only when your bills land in its categories. In Julia's stationery example, Chase Ink Business Cash leads Blue Business Cash by 30 dollars as a single card. Pairing the two adds 180 dollars. Chase Ink Business Preferred beats Blue Business Cash by only 55 dollars after its fee, unless the two cards share the work.

The right setup depends on your actual bills. Start with those, then check the rewards.

Side by side

These are the terms Julia checked in October 2026.

• **Amex Blue Business Cash:** no annual fee. It earns 2 percent on the first 50,000 dollars of eligible purchases each calendar year, then 1 percent. The cash back is applied to the statement automatically.
• **Chase Ink Business Unlimited:** no annual fee. It earns an uncapped 1.5 percent on ordinary purchases.
• **Chase Ink Business Cash:** no annual fee. Office-supply, internet, cable and phone purchases earn 5 percent, sharing a cap of 25,000 dollars each account anniversary year. Gas and restaurants earn 2 percent, with a separate combined cap of 25,000 dollars each anniversary year. Other spending, and anything above the caps, earns 1 percent.
• **Chase Ink Business Preferred:** 95 dollars a year. Eligible shipping, travel, telecom and social-media or search-engine advertising earn 3 points. They share a cap of 150,000 dollars each account anniversary year, then earn 1 point. Other purchases earn 1 point.
• **Amex Blue Business Plus:** no annual fee. Ordinary eligible purchases earn 2 Membership Rewards points on the first 50,000 dollars per calendar year, then 1 point. Eligible AmexTravel.com purchases have a separate 2 point rule.

Where each one wins

**Weekend repairs, varied purchases.** Blue Business Cash is the simple choice. The return is the highest of the no-fee options at this size, and there is nothing to redeem. Julia would be comfortable with one manageable account here rather than trying to collect every reward.

**Stationery, with office supplies and phone bills.** Ink Cash is built for recurring office and telecom bills. Packaging bought elsewhere does not automatically count as office-supply-store spending, so check the merchants before moving purchases.

**Advertising and shipping as bigger expenses.** Ink Preferred is worth considering when its extra rewards beat the no-fee cards after the 95 dollar fee. It also has trip coverage that the Wallet Score credits.

**A business trip instead of cash.** Blue Business Plus earns points rather than cash, so its value depends on how you redeem them. Julia would choose cash for predictable value with less work. She would take points only with a trip she would otherwise buy in mind.

The arithmetic

**Stationery, 21,000 dollars of spending.** Julia assumes 4,000 dollars at qualifying office-supply stores, 2,000 on eligible internet and phone services, and 15,000 in other purchases.

• Ink Cash earns 300 dollars on the 6,000 dollars of category purchases and 150 elsewhere, for 450 dollars.
• Blue Business Cash earns 420 dollars on the same budget, so Ink Cash leads by 30 dollars.
• Keeping the categories on Ink Cash and the other 15,000 dollars on Blue Business Cash earns 600 dollars. That is 180 dollars more than Blue Business Cash alone.

Whether 180 dollars justifies a second account depends on how easy the payments are to manage.

**Preferred, 45,000 dollars of spending.** Julia assumes 30,000 dollars in Preferred's categories and 15,000 elsewhere.

• Preferred earns 105,000 points. At the ordinary 1 cent value that is 1,050 dollars, or 955 dollars after the fee.
• Blue Business Cash earns 900 dollars on the same budget, so Preferred leads by only 55 dollars.
• Using Preferred for its categories (900 dollars) and Blue Business Cash for the other 15,000 dollars (300 dollars) leaves 1,105 dollars after the fee. Separate jobs for each card help more than using Preferred everywhere.

You may hear that 9,500 dollars of spending covers Preferred's fee. That holds only if the money goes to categories earning 1 extra cent per dollar over a 2 percent alternative. Moving ordinary spending from a 2 percent card to a 1 point rate worth 1 cent gives up rewards, and those losses have to be covered too.

**Growth, 120,000 dollars of ordinary purchases.**

• Unlimited earns 1,800 dollars.
• Blue Business Cash earns 1,000 dollars on the first 50,000 and 700 afterward, for 1,700 dollars. Unlimited leads by 100 dollars as a single card.
• Blue Business Cash for the first 50,000 and Unlimited for the next 70,000 earns 2,050 dollars.

The crossover at 100,000 dollars applies to these two cards, not to every business card. An uncapped 2 percent card could change the answer again.

**Points versus cash, the 9,000 dollar repair budget.** Blue Business Plus would earn 18,000 points.

• At 1 cent each that is 180 dollars, which matches the cash return.
• At the standard 0.6 cent eligible-charge value it is 108 dollars.
• At a usable net travel value of 1.5 cents it is 270 dollars.

Before counting the higher value, price a trip you could actually book at a realistic cash fare. Then subtract award charges and apply the transfer ratio.

**Julia's Business Wallet Score.** The score uses 3 different businesses spending 60,000 dollars a year. It weighs value after fees, reward flexibility, upkeep and tested protections. Blue Business Cash scores 71 out of 100, Ink Cash 68 and Ink Preferred 73. Preferred gets help from its travel protection. Blue Business Cash is easier to use for predictable cash. A smaller side business could still choose differently, so use the scores to understand the tradeoffs rather than to buy benefits the business is not ready to use.

Before you apply

Check that the account fits the business, not just the reward math.

• The activity must be a real business, and the application needs accurate information. A sole proprietor may qualify without a corporation. An EIN does not erase a personal guarantee.
• Read what you are responsible for, including employee spending. Keep business purchases separate and retain records showing their purpose.
• A statement does not make every charge deductible. Business cards also do not automatically carry every consumer-card protection, so follow the account's business-use terms.
• Check foreign transaction fees, acceptance, opening-offer eligibility and the actual reset dates. No annual fee does not mean no other costs.
• A vendor's processing charge could make a bank transfer cheaper than any reward on this list.
• If you would need to borrow, work out the financing first. Interest or vendor charges could outweigh a 45 dollar difference.

On the issuer's page, confirm the annual fee, the rates, the caps and how each cap resets. The Studio last verified these figures on 6 October 2026. Terms may have moved since then, and Julia's worked examples keep her own assumptions. Check today's terms before relying on any total here.

The cards in this guide