Discounted lifetime deals instead of recurring fees make this one of the best ways to get great Saas products for a fraction of the usual cost. Appsumo.com is like the Groupon for tech startups which offer incredible deals for market exposure and to gain early subscribers.
Warning: this is an addictive site and I personally just bought 14 products myself!
Typical tools with lifetime subscriptions include:
Proposals & Invoicing tool
Social media tools to increase efficiency
Marketing automation, landing pages and newsletters
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