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Insights for business owners who want to understand their numbers.

Practical guidance on finance, accounting, and tax strategy from the Northstar team. Written for operators, not accountants.

Showing 36 of 232 articles

E-CommerceMarch 31, 2026

3PL Fulfillment Cost Audit: Hidden Fees Killing Your Margins

Your 3PL contract says $3.50 per pick-pack-ship. Your invoice says $4.87 per order on average. The $1.37 difference, multiplied by 8,000 orders per month, is $131,520 per year in costs you never agreed to and may not even realize you are paying.

Lorenzo NourafchanRead
AccountingMarch 31, 2026

Accrual vs. Cash Accounting for E-Commerce: When to Switch

Cash accounting feels simpler until the month you place a $120,000 inventory order, your P&L shows a massive loss, and your bank asks why profitability collapsed. That is not a business problem. It is an accounting method problem.

Lorenzo NourafchanRead
E-CommerceMarch 31, 2026

Amazon FBA Fees Explained: How to Calculate True Seller Profit

Amazon's fee structure is designed to be just complex enough that most sellers never calculate their true per-unit profit. That complexity is not accidental, and understanding every fee layer is the difference between a profitable Amazon business and an expensive hobby.

Lorenzo NourafchanRead
CFO AdvisoryMarch 31, 2026

AE Firm Financial Metrics: Net Multiplier, Overhead Rate, and More

The financial health of an architecture or engineering firm comes down to a handful of interrelated ratios. Here is how net multiplier, overhead rate, utilization, and break-even rate actually work together, and why a firm can hit a 3.0 multiplier and still lose money.

Lorenzo NourafchanRead
AccountingMarch 31, 2026

ASC 718 Stock Compensation: SaaS Startup Accounting Guide

The complete accounting guide for stock options at SaaS startups. From Black-Scholes inputs for private companies to the P&L impact of large option pools at Series B, and what the ASU 2025-04 update means for your financials.

Lorenzo NourafchanRead
Tax StrategyMarch 31, 2026

S-Corp, C-Corp, or LLC: Best Tax Structure for Doctors

The entity structure decision can save or cost physicians tens of thousands of dollars annually. Here is how to evaluate the options with real numbers and physician-specific considerations.

Lorenzo NourafchanRead
E-CommerceMarch 31, 2026

Blended ROAS vs. MER: The Right Marketing Metric for E-Commerce

Your Meta dashboard says ROAS is 2.0. Your finance team says you are losing money on every new customer. Both are technically correct, and the disconnect between these numbers is where most e-commerce brands make their most expensive decisions.

Lorenzo NourafchanRead
AccountingMarch 31, 2026

Certified Payroll and Prevailing Wage: A Contractor's Guide

Government construction projects pay 30 to 50 percent more than comparable private-sector work, but the payroll compliance requirements keep most contractors away. That gap between fear and reality is where serious money is made.

Lorenzo NourafchanRead
TaxMarch 31, 2026

How to Check the Status of Your Form 941 Refund in 2026

If you filed a Form 941-X to claim the Employee Retention Tax Credit and are still waiting for your refund, you are not alone. Here is exactly how to check your status, what the current IRS processing timeline looks like, and what steps to take if your refund is stuck.

Lorenzo NourafchanRead
AccountingMarch 31, 2026

Change Order Accounting That Protects Your Margins

A single unapproved $200,000 change order, booked as revenue before it is signed, can distort your entire WIP schedule and make profitable jobs look like winners when they are actually bleeding margin.

Lorenzo NourafchanRead
AccountingMarch 31, 2026

Construction Chart of Accounts: The Setup Guide

Your chart of accounts is the foundation of every financial report your company produces. A poorly structured COA makes job costing unreliable, WIP schedules impossible to reconcile, and tax returns a nightmare. Here is how to build one correctly.

Lorenzo NourafchanRead
CFO AdvisoryMarch 31, 2026

10 Financial KPIs Every Contractor Should Track Monthly

Most contractors look at two numbers: their bank balance and their backlog. Neither tells you whether your business is healthy, growing sustainably, or heading toward a cash crisis. These ten KPIs, tracked monthly, give you the complete picture.

Lorenzo NourafchanRead
CFO AdvisoryMarch 31, 2026

Understanding Your Construction Insurance Costs

Insurance is the second or third largest expense line on most contractors' income statements, yet most owners could not explain how their premiums are calculated. That knowledge gap costs the average mid-size contractor $50,000 to $100,000 per year in excess premiums.

Lorenzo NourafchanRead
CFO AdvisoryMarch 31, 2026

Profit Fade in Construction: Catching It Before It's Too Late

An 18% estimated gross margin fading to 6% at completion does not happen because of one catastrophic event. It happens because three or four small things each erode a few points of margin, and nobody catches them until the job closes.

Lorenzo NourafchanRead
ConstructionMarch 31, 2026

How to Collect Construction Retainage Faster

Retainage is the construction industry's hidden cash trap. A $5 million annual revenue contractor can have $250,000 to $500,000 locked up at any given time, earning nothing, while they borrow to fund the next project.

Lorenzo NourafchanRead
Tax StrategyMarch 31, 2026

7 Tax Strategies Every Contractor Should Use in 2026

Tax planning for contractors is not about finding loopholes. It is about structuring your business, timing your income and deductions, and making elections that the tax code explicitly provides for. Here are seven strategies that can save a $4M contractor $80,000 or more per year.

Lorenzo NourafchanRead
CannabisMarch 31, 2026

Does QuickBooks Work with the Cannabis Industry? The Complete Guide

QuickBooks can handle the basic accounting functions of a cannabis business, but it was not built for the industry and lacks critical features for Section 280E compliance, seed-to-sale reconciliation, and state regulatory reporting. This guide covers exactly what QuickBooks can and cannot do for cannabis operators, the workarounds that make it functional, and when you need to consider alternatives.

Lorenzo NourafchanRead
TransactionsMarch 31, 2026

How to Value an E-Commerce Business: SDE and EBITDA Multiples

An e-commerce brand doing $1.5 million in revenue could be worth $400,000 or $4 million depending on a handful of financial and operational factors. Understanding what drives multiples is the difference between building a job and building an asset.

Lorenzo NourafchanRead
CFO AdvisoryMarch 31, 2026

Cash Conversion Cycle for E-Commerce: Stop Growing Broke

Revenue growth without cash flow management is a trap. Every dollar of growth requires working capital, and the cash conversion cycle determines exactly how much. Here is how to make growth fund itself.

Lorenzo NourafchanRead

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