There are many ways to become an expert. To have lived it, and tried it is one of the best ways to gain expertise. Other ways to gain expertise is to read books, take a class or course, go to a seminar, research and more. Stay up to date with changes and news in the niche. You can become an expert in any niche, if you have the desire to learn. It will take some time, but it can be done.

CalPress Calendar is a powerful compact WordPress calendar plugin for managing your calendar and events. They made the interface easy to use and intuitive while adding essential features such as Facebook integration, social sharing, and multiple calendar views all in a beautiful end user interface.

Appointment Booking Calendar is a plugin for accepting online bookings from a set of available time slots in a calendar. The booking form is linked to a PayPal payment process. You can use it to accept bookings for medical consultation, classrooms, events, transportation and other activities where a specific time from a defined set must be selected, allowing you to define the maximum number of bookings that can be accepted for each time slot.

Create a booking calendar for your website. Do you want to show people when your holiday home (or something else) is available for rent? You can create, edit and publish a booking calendar with just a few clicks with the WP Simple Booking Calendar. This booking calendar is very easy to use! You can manage the bookings (availability) on a daily basis and embedding the booking calendar on a page takes only one mouse click.

WP Calendar is an easy-to-use calendar plug-in to manage all your events with many options and a flexible usage. The whole usage is extensive and completely documented. It supports all-day events, categorization and state management (draft, publish). To manage the event, the same authority checks as for post are used.

The Events Calendar is a carefully crafted, extensible plugin that lets you easily share your events. The Events Calendar is built to work out of the box: it doesn’t use a shortcode (nor is one available). Just turn it on, configure the settings to match your needs and you’ll be making events within less than 5 minutes.

The All In One Event Calendar from Timely is a beautiful way to list your events in WordPress and easily share them with the rest of the world. The calendar system combines clean visual design with a powerful set of features to create the most advanced calendar system available for WordPress.

Modern Free is responsive, retina-ready blog and portfolio WordPress theme. It’s perfect for personal and small business portfolios. Supports Jetpack plugin, Schema.org markup, Theme Hook Alliance action hooks, translation-ready code, header slideshow and other cool features.

magExpress is an amazing responsive fancy style wordpress magazine theme. It has rich full features, those you will find only in premium themes not free themes.

CleanPort Lite is a free flat design styled WordPress portfolio theme for businesses to show off their products and services in style.

Esteem is a clean multipurpose responsive free WordPress theme designed to fit business, portfolio, blogging or any type of site. The theme supports custom header, custom background, custom widgets, page templates and has built in options panel to configure primary color, site logo, slider, sidebar layout and 3 blog layout.

SmartShop Lite is a free WooCommerce and Easy Digital Downloads Theme. SmartShop is a completely mobile responsive WordPress theme. It can be used for building business websites and setting up online store to sell products.

Edin is a free modern responsive business and corporate theme that helps you to create a strong–yet beautiful–online presence for your business.

Goran is a free functional and responsive multi-purpose theme that is the perfect solution for your business’s online presence.

Garfunkel is a stylish and free responsive Pinterest-style theme with Masonry layout. It features responsive and retina-ready design, support for six post formats (including a gallery slideshow), six custom widgets, two page templates, Jetpack Infinite Scroll support, editor styling and translation-ready code.

Rams is a clean, minimalist and free responsive theme for bloggers. Features responsive and retina-ready design, support for the gallery, video and quote post formats, custom accent color support, Jetpack infinite scroll integration, editor styles and translation ready code. Included translation: Swedish/svenska.

Accelerate is multipurpose free WordPress theme made for simplicity and ease of use. This theme is a piece of art that has this premium look and feel which will make your site stand out. Supports all post formats. Accelerate can be used for portfolio, business, blog, personal, travel, corporate, business services or any other kinds of sites.

BackupBuddy is a backup plugin made by iThemes that offers a comprehensive solution for WordPress site owners. It lets you back up to a variety of sources, not just your hard drive, including Stash, Amazon Web Services, Dropbox, Rackspace, FTP, and email. Backups are completed quickly and easily thanks to push button solutions. Just pick where you want your backups to be stored and how frequently you want them to occur and you’re good to go.

It is a premium plugin. You can expect to pay an annual fee of $150 to backup an unlimited number of sites. There’s also BackupBuddy Gold, which lets you backup unlimited sites, receive a lifetime of updates, and a year of ticketed support for $297.

It is a simple plugin with a nice and easy interface. It supports local backups as well sending backups to a remote destination via FTP. It supports backup scheduling, email notifications and deletion of old backups. It is a perfect plugin for beginners as there are no advance settings and interface is easy to understand.