The part of a sentence "you will only pay" is correct and usable in written English.
You can use this phrase when you are indicating that someone will have to make a payment. For example, "If you sign up for this subscription service, you will only pay $5 a month."
If you are a non-resident you will only pay US tax on the income you earn locally.
'You will only pay a mortgage valuation fee, which depends on the property value but is on average around £300 - although some lenders may charge a non-refundable application fee of up to £100, so watch out for these.' If rates fall by the time you come to remortgage, you are under no obligation to take the reserved rate.
If you only want to hack with one object, you will only pay a few euros.
If you buy an annuity (an income for life), or you take income drawdown (leaving your pension pot invested), you will only pay tax on the income.
If you choose to roll the stock over into a taxable account, however, you will only pay upfront taxes on the cost basis, the amount that you paid for the stock over the years.
You will only pay when someone clicks on your ad.
If you reach the end of your course and want to settle immediately, you'll only pay back exactly the amount borrowed.
A case of wine conveniently weighs in at just under the usual 50-pound limit for checked baggage (though that limit varies by airline), so at most you'll only pay an extra-luggage charge.
Southwest doesn't do that -- you'll only pay the fare difference, if there is one.
If you want to stop in the morning and at night during happy hours, you'll only pay $5 to smash two items to bookend your workday.
"Maybe his business model is that you'll only pay 25p for you bag of teabags at the beginning, then they'll bump the price up to 40p, or something slightly squalid like that," he says.
