Wajahat has 6+ years in Amazon advertising and leads PPC for a private-label portfolio of about 1,500 SKUs across the US and Canada. He built Sotrics to automate the analysis his team does every week.
His work covers the full Amazon advertising cycle: launch campaigns, keyword research and harvesting, bid and budget management, profitability checks across large catalogs, and the reporting that ties ad spend back to real profit. Sotrics grew out of the spreadsheets and checklists his team uses to run that work.
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Articles by Wajahat Shaikh
ACoS vs TACoS: Differences, Formulas and Examples
ACoS vs TACoS explained in plain English: the formulas, a worked example, how to read both together, where to find the data and what healthy looks like.
8 min read →Fees & ProfitAmazon FBA Fees 2026: Complete Guide with Examples
Amazon FBA fees 2026 explained in plain English: fulfillment, referral, storage and surcharges, with worked examples so you can price for real profit.
10 min read →Fees & ProfitAmazon FBA Size Tiers and Dimensional Weight (2026)
Learn Amazon FBA size tiers and dimensional weight for 2026: tier limits, the L x W x H / 139 formula and packaging changes that can cut your fee per unit.
9 min read →Fees & ProfitAmazon Holiday Peak Fees 2026: Dates, Rates and Impact
Amazon holiday peak fees run 15 Oct 2026 to 14 Jan 2027. See the rates, how the 3.5% surcharge stacks, a worked margin example and how to plan for Q4.
8 min read →Fees & ProfitAmazon Inbound Placement Fee and Low-Inventory Fee
How Amazon's inbound placement fee and low-inventory-level fee work in 2026, with worked examples and practical steps to avoid both on your FBA stock.
10 min read →Fees & ProfitAmazon Referral Fees by Category (2026 Table)
Amazon referral fees by category for 2026: the full US table, tiered price rules and worked examples so you can price products without margin surprises.
9 min read →Fees & ProfitAmazon Storage Fees and Aged Inventory Surcharge 2026
Amazon storage fees and the aged inventory surcharge for 2026, with rates, worked examples and steps to stop slow stock eating your FBA margin each month.
10 min read →Fees & ProfitHow to Calculate Amazon Profit Margin (With Examples)
Learn how to calculate Amazon profit margin step by step, with 2026 FBA fees, a full worked example, the formulas for margin vs ROI, and common mistakes.
9 min read →Amazon PPC13 Amazon PPC Mistakes That Waste Ad Spend (and Fixes)
The most common Amazon PPC mistakes in 2026, from no break-even ACoS to stacked bid boosts, with worked numbers and the exact fix for each one.
10 min read →Amazon PPCAmazon Auto Campaign Targeting Groups Explained
Amazon auto campaign targeting groups explained: close match, loose match, substitutes and complements, how to bid on each, and when to pause them.
9 min read →Amazon PPCAmazon Keyword Match Types: Broad vs Phrase vs Exact
Amazon keyword match types explained: how broad, phrase and exact match work, what each one triggers, when to use each and how to bid, with examples.
9 min read →Amazon PPCAmazon PPC Bidding Strategies: How to Choose in 2026
Compare Amazon PPC bidding strategies: fixed, down only, up and down. Learn the max bid formula, placement math and which strategy fits each campaign goal.
9 min read →Amazon PPCAmazon PPC Campaign Structure: A Simple 2026 Blueprint
Learn how to structure Amazon PPC campaigns: portfolios, auto, broad, phrase, exact and ASIN campaigns, naming rules and budgets, with a worked example.
10 min read →Amazon PPCAmazon PPC Product Launch Strategy: Week-by-Week Plan
An Amazon PPC product launch strategy that works: pre-launch checks, campaign setup, launch bids and budgets, a worked cost example, and when to cut back.
10 min read →Amazon PPCAmazon Placement Bid Adjustments: How to Set Them
How Amazon placement bid adjustments work for top of search, rest of search and product pages, how they stack with dynamic bids, and how to set each one.
9 min read →Amazon PPCAmazon Search Term Report: How to Read and Use It
Learn how to download and analyze the Amazon search term report: key columns, formulas, a worked example, and how to find keywords to harvest and negate.
10 min read →Amazon PPCBreak-Even ACoS: Formula, Examples and Max Bid
Break-even ACoS is your profit margin before ad costs. Learn the formula, see a worked 2026 example, set a target ACoS and turn it into a max CPC bid.
8 min read →Amazon PPCKeyword Harvesting in Amazon PPC: A Step-by-Step Guide
Learn keyword harvesting in Amazon PPC: move winning search terms from auto and broad campaigns into exact match, negate the losers, and cut wasted spend.
9 min read →Amazon PPCNegative Keywords on Amazon PPC: Complete 2026 Guide
Learn how negative keywords work in Amazon PPC: negative exact vs phrase, when to negate a search term, where to add negatives and how much you can save.
10 min read →Amazon PPCSponsored Products vs Brands vs Display: Which to Use
Sponsored Products vs Sponsored Brands vs Sponsored Display: eligibility, placements, targeting, costs and attribution compared, plus a budget split.
10 min read →Amazon PPCWhat Is a Good ACoS on Amazon? How to Find Yours
What is a good ACoS? It depends on your margin and goal. Learn how to set the right ACoS for each product, with worked examples and ways to lower it.
8 min read →Listings & SEOAmazon A+ Content 2026: Modules, Sizes and Rules
Amazon A+ Content explained for 2026: who qualifies, Basic vs Premium A+, module image sizes, what gets rejected, and how to build and test it.
10 min read →Listings & SEOAmazon Backend Search Terms: 249-Byte Rules and Examples
How to write Amazon backend search terms in 2026: the 249-byte limit, what to include and avoid, a worked example, and how to check your keywords index.
8 min read →Listings & SEOAmazon Listing Optimization 2026: A Step-by-Step Guide
Amazon listing optimization for 2026: 75-character titles, Item Highlights, bullets, images, A+ and backend terms, with a worked conversion example.
11 min read →Listings & SEOAmazon Product Title Requirements 2026: 75-Character Rule
Amazon product title requirements for 2026: the 75-character limit, the new 125-character Item Highlights field, banned characters, and a rewrite example.
9 min read →Listings & SEOAmazon Rufus for Sellers: Alexa for Shopping in 2026
How Amazon Rufus, now part of Alexa for Shopping, picks products in 2026, and the listing, review, price and ad steps sellers can take to get recommended.
9 min read →Analytics & GrowthAmazon Conversion Rate: How to Measure and Improve It
Learn how to calculate your Amazon conversion rate, where to find it in Seller Central, how to benchmark it, and the proven listing fixes that raise it.
10 min read →Analytics & GrowthAmazon Inventory Restock Planning: Formulas for FBA
Plan Amazon FBA restocks with simple formulas for reorder point, safety stock and order size, plus 2026 rules on capacity limits and low-inventory fees.
10 min read →Analytics & GrowthAmazon Product Research: Step-by-Step Guide for 2026
A practical Amazon product research process for 2026: validate demand, size up competition, run the profit math with 2026 FBA fees and avoid mistakes.
11 min read →Analytics & GrowthAmazon Search Query Performance Report: 2026 Guide
Learn to read Amazon's Search Query Performance report in Brand Analytics: every metric explained, a worked example, and how to use SQP for SEO and PPC.
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