4 min read
How to Get a Quote Signed Online, Without Printing It
How to get a quote or estimate signed online: send a link, let your client type their name, and keep the signing record. The steps, and what to check before you send.
Saif Qureshi
Founder of QuickBilling
Saif Qureshi is the founder of QuickBilling, an invoicing and expense tracking app for freelancers and small businesses. He writes the guides on this blog, from invoices and getting paid to expenses and budgeting. The guides give general information and do not replace legal or tax advice.
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Posts by Saif Qureshi
6 min read
Email Wording to Request Documents
Email wording to request documents from a client, with a checklist of what to ask for, how to set a deadline and how to chase without sounding pushy.
9 min read
Student Side Hustle Taxes: How to Invoice, Track and Report Freelance Income
Freelancing as a student? What the IRS says about side hustle income, how to invoice your first client, what to track all year and when to ask a tax adviser.
9 min read
Tax Documents Checklist for Freelancers and Side Hustlers
What to gather before you file: the forms the IRS lists, the records a side business needs, how long to keep them and where each cost sits on Schedule C.
9 min read
The 50/30/20 Rule: How to Budget Your Paycheck (+ Calculator)
The 50/30/20 rule splits take-home pay into needs, wants and savings. Use the free calculator, see worked examples, and learn when 60/20/20 fits better.
10 min read
How to Send an Invoice: Email, Link or PDF (+ 6 Invoice Email Templates)
How to send an invoice in 5 steps: email with PDF, share link, PayPal or Square, plus six copy-paste invoice email templates and a German e-invoice check.
9 min read
Free Invoice Generators and Free Invoicing Software, Compared (2026)
Free invoice generators and free invoicing apps compared for 2026: Zoho, Wave, PayPal, Square and QuickBilling, what each free tier includes and who it suits.
9 min read
Freelancer Tax Deductions in the US: What's Worth Tracking in 2026
Schedule C basics, the home office deduction with a worked example, top self-employed deductions, record-keeping rules and quarterly estimated tax dates.
9 min read
Should Freelancers Charge a Deposit? When 25 to 50% Upfront Makes Sense
When to ask a freelancer deposit upfront, how much (25 to 50% by project type), proposal wording that sounds confident, milestone billing and an email to copy.
7 min read
Is a PDF an e-Invoice? What EN 16931 Requires
A plain PDF is not an e-invoice under EN 16931. Structured XML is required via UBL, CII, XRechnung, ZUGFeRD or Factur-X. France and Germany rules explained.
8 min read
XRechnung vs ZUGFeRD: Which Format Should a German Freelancer Use?
XRechnung vs ZUGFeRD for German freelancers: receiving since January 2025, issuing from 2027 or 2028 by revenue, §19 rules and what to tell clients.
9 min read
France's e-Invoicing Mandate 2026: What Freelancers Need to Do
France's e-invoicing reform took effect on 1 September 2026 for receiving; micro and SME issuing starts 1 September 2027. Factur-X, PDP vs PPF, a checklist.
5 min read
Recurring Billing for Freelancers: Retainers, Subscriptions, and Setup
Compare retainer, subscription and milestone billing, price a retainer with a worked example, set up recurring invoices and handle late payments.
5 min read
Late Payment Fees on Invoices: Clause Wording, Rates and Legal Limits
How to charge a late fee on an invoice: example clause wording, a worked fee calculation, the UK and EU statutory rules and when to waive it. Not legal advice.
5 min read
How to Set Freelance Rates: Hourly, Project, and Value Pricing
Calculate your baseline freelance rate, choose between hourly, project and value pricing, research market rates and raise prices without losing clients.
5 min read
Invoice vs Receipt vs Bill vs Estimate: Definitions and When to Use Each
Clear definitions of invoices, receipts, bills and estimates, a side-by-side table, the quote-to-invoice-to-receipt lifecycle and notes on proforma invoices.
6 min read
Client Not Paying? Escalation Steps and When to Write It Off
What to do when a client does not pay: an escalation ladder, phone and demand-letter templates, collections vs small claims costs and prevention tactics.
7 min read
How to Ask for Payment Professionally: Follow-Up Timeline and Email Templates
How to ask for payment professionally: a follow-up timeline, reminder schedule, and email templates that get invoices paid.
6 min read
Invoice Payment Terms Explained: Net 30, Net 15, 2/10 and When to Use Each
What Net 30, Net 15 and 2/10 Net 30 mean, with a table of common payment terms, the discount math, terms by client type and a confirmation email.
7 min read
FreshBooks Alternatives for Freelancers Who Just Want Invoicing
FreshBooks alternatives compared for freelancers: August 2026 pricing, client limits, reminders and invoice-open tracking. Who should stay, who should switch.
6 min read
How to Write an Invoice: What to Include and Common Mistakes
A practical guide to writing invoices clients pay faster: the nine required fields, numbering, payment terms, a real example and a copy-paste payment email.