4b2b guides for US small businesses — invoicing, sales tax, payments & messaging

Practical, US-specific guides covering invoicing, sales tax, payments reconciliation, recurring billing, agency workflows, and TCPA-compliant messaging. Each guide is written for an operator who has the problem today and needs to ship a fix this week.

How to Invoice Clients as a 1099 Contractor

A practical guide for US independent contractors: W-9 setup, what to put on an invoice, payment terms, late fees, and how to escalate unpaid invoices.

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Multi-State Sales Tax for SaaS Businesses

Do SaaS companies owe sales tax in the US? A state-by-state primer on taxability, economic nexus thresholds, and how to automate compliance.

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Reconciling Stripe Payouts with Shopify Orders

Stripe payouts never match Shopify gross sales. Learn how to bridge timing gaps, processor fees, refunds, and chargebacks for clean monthly books.

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Setting Up Recurring Billing for a SaaS Business

From plan design to dunning: how to build a recurring billing setup that handles trials, proration, failed cards, and upgrades cleanly.

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Agency Workflow: Time Tracking to Approved Hours to Client Invoice

How professional-services teams turn tracked hours into clean, defensible client invoices — without losing billable time in spreadsheets.

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Quote-to-Cash: A Workflow for SMBs

Estimate to contract to invoice to payment, automated. How small businesses can compress the quote-to-cash cycle from weeks to days.

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Collecting W-9s and Filing 1099-NEC Forms

Year-end 1099 filing starts with clean W-9 collection. How to collect W-9s from vendors, validate TINs, and file 1099-NEC by January 31.

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TCPA-Compliant SMS Marketing for US Businesses

How to run SMS marketing that respects TCPA: written express consent, quiet hours, STOP handling, and what penalties look like if you get it wrong.

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