The short version
Each guide covers one trade: the lines that belong on the invoice, the billing situations that trade runs into, the mistakes that cost money, and the questions people in it actually ask. The template each guide describes is free and opens with those lines already priced.
Guides by trade
How to write a tutor invoicewhat to itemize, billing a block of sessions, charging for a missed lessonHow to write a photographer invoicesession fees, edited images, usage license, deposits and travelHow to write a therapist invoicesession length, packages, late cancellationsHow to write a personal trainer invoicesession blocks, drawdowns, no-shows, online coachingHow to write a musician invoiceperformance fee, equipment rental, travel, deposits that hold the dateHow to write a writer invoiceper word, per page or per project, plus revision rounds, kill feesHow to write a translator invoicesource or target word counts, proofreading, certified workHow to write a graphic designer invoiceconcepts, revision rounds, source files, usage rightsHow to write an illustrator invoicecommission fee, concept sketches, usage license and termHow to write a consultant invoiceday rates, phased engagements, deliverables a finance team will approveHow to write a marketing agency invoiceseparating ad spend from your management fee, retainersHow to write a web designer invoicediscovery, per page design, build, revision rounds, what is excludedHow to write a videographer invoicefilming days, editing per finished minute, deliverable formatsHow to write a social media manager invoiceposts per platform, community management, ad spend kept separateHow to write an accountant invoicethe period covered, filing references, fixed fees against hourlyHow to write a lawyer invoicematter references, time in billing increments, disbursements against feesHow to write an event planner invoicecoordination fee, vendor costs, deposit schedules tied to the dateHow to write an IT services provider invoicemanaged monthly fees, project hours, per device and per user pricingHow to write a plumber invoicethe call-out, labor by the hour, parts and markup, waste disposalHow to write an electrician invoicecall-out and labor, materials, certification and testingHow to write an HVAC technician invoiceservice visits, filters, refrigerant, labor, maintenance contractsHow to write a contractor invoiceprogress billing, variations, retention, materials and subcontractorsHow to write a carpenter invoiceday rates against per unit pricing, lumber and materials, installed workHow to write a painting contractor invoicepricing by room or by square foot, coats, preparation, paint and punch listHow to write a roofer invoicerepairs against replacements, access and scaffolding, materials by areaHow to write a landscaper invoicemaintenance visits against project work, green waste, plantsHow to write a handyman invoicehourly and half-day rates, minimum charges, materials and collection timeHow to write a locksmith invoicecall-out and emergency rates, non-destructive entry, lock supplyHow to write a flooring installer invoicepricing per square foot, subfloor preparation, underlayment and trimsHow to write a tiler invoicepricing per square foot, preparation and tanking, adhesive and grout, cutsHow to write a welder and fabricator invoiceshop rate against site work, materials by weight or length, consumablesHow to write an auto mechanic invoicelabor by the hour, parts and markup, diagnosticsHow to write an appliance repair technician invoicecall-out and diagnostic fees, parts and ordering, second visitsHow to write a pest control technician invoicetreatment programs and follow-up visits, products used, proofing workHow to write a cleaning contractor invoiceregular contracts against one-off deep cleans, per-visit pricingHow to write a moving company invoicehourly crews against fixed quotes, packing materials, storageHow to write an architect invoicepercentage fees against fixed stage fees, work stagesHow to write an engineer invoicefixed fees against hourly rates, site visits, reports and drawingsHow to write a real estate professional invoicecommission against flat fees, marketing costs, property managementHow to write a caterer invoiceper head pricing, final numbers, deposits, staffing, rentalsHow to write a hair and beauty professional invoiceservices and treatments, product retail, mobile and bridal workHow to write a pet services provider invoicedog walking blocks, grooming, boarding and daycare, per pet pricingHow to write a driving instructor invoicehourly lessons and block bookings, test day fees, cancellationsHow to write a childcare provider invoicehourly and weekly rates, retainers, late pickup, vacation, sick daysHow to write a freelancer invoicehourly against project fees, deposits and milestones, scope and revisionsHow to write a small business owner invoicethe required details, numbering, dates and terms, itemizing work, tax
Free invoice templates by trade
Every guide sits alongside a template. There are 46 trade invoice templates in total, each opening with the lines that trade bills in, plus 200 designs to put them in.