Marketing Mistakes to Leave Behind in 2025

And what to focus on instead as we head into a more intentional 2026.

Marketing evolves quickly, but the past year made one thing clear: the brands winning right now aren’t the loudest — they’re the most aligned, the most intentional, and the most customer-centric. As we move into 2026, it’s worth pausing to evaluate which habits, assumptions, and shortcuts are holding your marketing back.

Here are the marketing mistakes it’s officially time to leave behind in 2025 — and what to do instead.

  • Customer data can’t be treated casually anymore. Between GDPR, CCPA, and increasing consumer awareness, mismanaging data is now a direct revenue and brand-trust risk. And with third-party cookies on their way out, relying on them is a strategy that simply won’t survive 2026.

    What to do instead

    • Prioritize first-party data: email lists, purchase history, on-site behavior, and loyalty programs — all collected with clear consent.

    • Adopt “privacy by design”: Explain what you collect, collect only what you need, and give people real control over opting out.

  • Spray-and-pray marketing is officially obsolete. Customers expect tailored experiences, and brands that don’t deliver them lose engagement, loyalty, and revenue.

    What to do instead

    • Use segmentation and behavioral triggers to tailor content, timing, and offers.

    • Personalize beyond the first name — reflect what people have viewed, purchased, asked about, or shown interest in.

  • Two extremes showed up consistently this year: teams outsourcing everything to AI (leading to generic, off-brand output) or refusing to leverage AI at all (leading to inefficiency and missed insights).

    What to do instead

    • Use AI for high-leverage tasks like segmentation, predictive scoring, research synthesis, and draft creation.

    • Keep humans in charge of strategy, voice, and final decisions.

    • Consolidate your tool stack — not every shiny new AI tool needs to be purchased.

  • Trying to “go viral” often results in content that’s loud but not meaningful — and definitely not measurable. Virality without value rarely drives revenue or trust.

    What to do instead

    • Anchor every campaign to a customer problem, a clear offer, and a measurable metric.

    • Create useful, credible content that moves your audience forward. If it goes viral, great — but its effectiveness shouldn’t depend on it.

  • It’s 2025 and many brands still have slow mobile sites, long forms, cluttered layouts, and emails that break on mobile. Bad UX equals high bounce rates and wasted ad spend.

    What to do instead

    • Start with mobile first: fast load times, thumb-friendly CTAs, short forms, and clear above-the-fold messaging.

    • A/B test regularly — don’t redesign based on opinion or internal preference.

  • Random acts of marketing — posting sporadically, shifting brand voice monthly, pivoting messaging constantly — confuse customers and dilute trust. Inconsistent branding across channels weakens recognition and conversion.

    What to do instead

    • Document a simple brand platform: who you serve, what you solve, and how you show up visually.

    • Plan campaigns around clear goals instead of reacting to every internal idea or trending soundbite.

  • Guessing who your audience is or grabbing insights from assumptions instead of real data leads to wasted spend. This is especially visible when brands over-invest in channels their buyers don’t use.

    What to do instead

    • Run regular customer interviews, surveys, and win–loss analysis.

    • Combine qualitative insights with analytics to understand real behavior.

    • Update personas and journey maps tied to actual revenue patterns.

  • Relying on one platform — Meta ads, SEO, Google, you name it — is fragile and risky. When algorithms change or costs rise, growth stalls.

    What to do instead

    • Build a diversified, omnichannel strategy where organic, paid, email, partnerships, and community work together.

    • Invest in owned audiences like email and SMS to reduce dependency on rented platforms.

  • Corporate jargon, polished-to-perfection messaging, and automated responses that feel robotic damage credibility. Customers buy from humans they trust, not faceless brands.

    What to do instead

    • Write clearly and directly. Show real people. Tell real stories.

    • Use automation to scale relevance, not replace the human voice.

    • Keep humans in the loop to check tone, nuance, and message alignment.

Moving Into 2026 With Clarity, Not Chaos

Businesses that understand their audience, strengthen their owned channels, use AI strategically, and show up with clarity will outperform those still stuck in old patterns. If you want a personalized checklist of which of these mistakes might be affecting your industry or growth stage — plus a focused 90-day action plan — we’d be happy to build one for you.

Chelsie Wyse

I’m Chelsie Wyse, Founder of TACT Marketing Strategy, where we turn marketing chaos into business growth and messaging clarity.

With over 15 years in the advertising industry, I specialize in growth marketing—building strategies, campaigns, and brands that drive visibility, engagement, and revenue.

My expertise spans brand development, CRM improvement strategy, systems development, creative partnership management, and content creation and deployment; all grounded in a deep understanding of client experience and small business ownership.

I believe marketing should be intentional, measurable, and aligned with genuine business objectives. Every project I lead is designed to create lasting impact and support sustained business growth.

https://get-intact.com
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