Mid-season sales can be an excellent opportunity for both consumers and retailers, but for different reasons. For consumers, they may be able to nab a great deal on a product they've been eyeing up, while for businesses it can be an opportunity to re-energize sales, move older inventory, and build customer loyalty. Here are some strategies to make the most out of mid-season sales:

**For Customers:**

1. **Plan Ahead**: Determine what you need before the sale begins to avoid impulse purchases.

2. **Do Your Research**: Compare prices from different retailers to make sure you're getting the best deal.

3. **Prioritize Quality**: Focus on buying durable goods rather than being swayed by low prices alone.

4. **Subscribe to Newsletters**: Keep an eye on your favorite brands' newsletters to stay ahead of the sales.

5. **Shop Early**: Popular items can sell out quickly, so shop as soon as the sale starts, if possible.

**For Businesses:**

1. **Promote Ahead of Time**: Build anticipation by advertising the sale in advance. Use email marketing, social media, and store displays.

2. **Offer Exclusive Deals**: Make your customers feel special by offering exclusive discounts or early access to the sale for loyalty program members, newsletter subscribers, or first-time shoppers.

3. **Bundle Products**: Encourage customers to buy more by offering deals on product bundles.

4. **Create Urgency**: Limit the duration of the sale or note limited quantities to urge customers to buy right away.

5. **Smart Pricing**: Avoid round numbers in pricing. Pricing items at 'odd' prices (like $9.99 instead of $10) can give a perception of a better deal.

6. **Exemplary Customer Service**: Good service can turn one-time shoppers into repeat customers. Make sure your customer service team is prepared for the rush.

7. **Analysis Post-Sale**: After the sale ends, analyze what worked and what didn't. This helps to plan for future sales more effectively.

Remember, the goal of a mid-season sale is not just immediate revenue, but also long-term loyalty and customer satisfaction.

While email marketing and social media are popular and effective methods, there are many more promotional strategies businesses can utilize to broadcast their mid-season sales effectively. Here are some additional methods:

**1. Website Banners and Pop-ups**: Having a highly visible banner on your website's homepage or pop-ups that show special offers can be an effective way to draw attention to your sale.

**2. Affiliate Marketing**: Collaborate with other websites or bloggers that can advertise your sale in exchange for a commission on every sale made through their referral.

**3. In-Store Promotion**: If you have a brick-and-mortar store, use window displays, in-store banners, or flyers to advertise your sale. Publicize the sale at the checkout counter and other high-traffic areas within your store.

**4. Partner with Influencers**: Influencer marketing can be a powerful tool. Partner with influencers who can promote your mid-season sale to their followers, thereby extending your reach.

**5. Print Media Advertising**: Local newspapers, magazines and flyers distributed in high-traffic areas can be effective, especially for businesses targeting a specific geographical area.

**6. Online Advertisements**: Use platforms like Google Ads or Bing Ads to promote the sale. These platforms allow for specific targeting so your ads will be presented to potential customers who are most likely to purchase.

**7. Loyalty Programmes**: Offering additional or exclusive discounts to members of a loyalty program can enhance customer loyalty and encourage more sales. 

**8. SMS Marketing**: With high open rates, text messages can be an effective tool for promoting your sale, especially to customers who've opted into this form of communication.

**9. Event or Webinar**: If it suits your brand or products, consider holding an online event or webinar that includes a promotion of your sale.

**10. Collaborations or Joint Promotions**: Partner with non-competing businesses that share your target audience to co-promote each other's products and sales.

Remember to track the effectiveness of each promotional channel, to aid future marketing strategies and campaigns.

Collaborating with influencers for promoting mid-season sales can bring multiple benefits for businesses:

**1. Enhanced Reach**: Influencers already have a set audience who trust their opinions. By collaborating with them, businesses can tap into this audience and expand their reach.

**2. Boosted Credibility**: When an influencer that people trust and respect endorses your products, it can enhance your brand's credibility. They can create authentic content about your brand, which makes their followers more likely to trust their recommendations.

**3. Increased Engagement**: Influencers are often experts at creating content that engages their audience. They can help drive conversations around your brand, creating buzz and increasing engagement.

**4. Builds Trust**: Consumers often see influencers as peers, so a product recommendation from an influencer can be seen as a word-of-mouth referral. This can help build trust in your brand.

**5. Greater Conversion**: An influencer's endorsement can effectively drive their followers to your website, increasing the chance of conversions during a mid-season sale.

**6. Variety of Content**: Influencers can also create a variety of content around your products, like unboxing videos, reviews, tutorials, or creative posts showcasing your product, which offer more than conventional promotional methods. 

**7. Improved SEO**: Many influencers also run blogs where they can write about your products. This can provide valuable backlinks to your website and improve your SEO ranking.

**8. Cost-Effective**: Compared with traditional advertising methods, influencer marketing can often deliver a better return on investment.

Choosing the right influencer is crucial. They should align with your brand values, have a follower base that matches your target demographic, and have a high engagement rate to help maximize the benefits of the collaboration.