Query: I wn complete seperate .css/.scss and .html template file for my webcomponent.js like in angular. But with complete security. In lit. Use any js lib like domPurify, etc. But I wan complete safety. How? ChatGPT said: Thought for 16s Totally doable. Here’s a secure Lit setup with fully separate .html + .scss files , sanitized with DOMPurify , and rendered into the Shadow DOM without sacrificing performance. Folder layout src / lib/ safe- html .js components/ app-shell .html app-shell .scss app-shell .js 1) Install deps npm i dompurify npm i -D sass Vite will compile .scss . We’ll import the compiled CSS as text and attach it via adoptedStyleSheets (fast + memory-friendly). 2) app-shell.html (pure template file) Put your Carbon UI Shell markup here (no scripts). Example stub: < cds-header aria-label = "My App" > < cds-header-name prefix = "IBM" >[Platform] </ cds-header-name > < cds-header-glo...
My Question:
suppose I got a client who want me to make customised software app (may be RestApi, Web Api, GUI, Console app, websockets streaming api, etc) with backend DB. And want me to install that application in cloud VM. The app has to be done in C/C++.
So how will I charge money from client for creating, deploying n maintaining that application. On what basis I can bill client for that application?
Answers:
Chat GPT Ans
Charging for a custom software application involves considering various factors and negotiating an agreement with your client. Here are common approaches for billing clients for creating, deploying, and maintaining a C/C++ application:
1. **Hourly Rate:**
- **How it works:** Charge the client based on the number of hours worked on the project.
- **Advantages:**
- Transparent for both parties.
- Reflects the effort put into the project.
- **Considerations:**
- Provide detailed time tracking.
- Specify the hourly rate in the contract.
2. **Fixed Project Fee:**
- **How it works:** Agree on a fixed fee for the entire project, regardless of the hours spent.
- **Advantages:**
- Predictable cost for the client.
- You are not penalized for efficient work.
- **Considerations:**
- Clearly define the scope of work.
- Be explicit about what's included in the fixed fee.
3. **Milestone-Based Payments:**
- **How it works:** Divide the project into milestones, and bill the client upon completion of each milestone.
- **Advantages:**
- Allows gradual payments as the project progresses.
- Provides clear checkpoints for both parties.
- **Considerations:**
- Clearly define milestones and deliverables.
- Agree on payment schedule.
4. **Retainer Agreement:**
- **How it works:** Charge a recurring fee for ongoing maintenance and support.
- **Advantages:**
- Ensures a steady income stream.
- Provides continuous support to the client.
- **Considerations:**
- Clearly define the scope of maintenance.
- Agree on the duration of the retainer.
5. **Licensing Fee:**
- **How it works:** Charge the client for a license to use the software.
- **Advantages:**
- Potential for recurring revenue.
- Applicable for proprietary software.
- **Considerations:**
- Specify license terms.
- Decide on renewal fees if applicable.
6. **Deployment and Hosting Fees:**
- **How it works:** Charge fees for deploying and hosting the application on a cloud VM.
- **Advantages:**
- Separate fees for infrastructure costs.
- Reflects ongoing hosting expenses.
- **Considerations:**
- Specify hosting requirements.
- Discuss scalability needs.
7. **Support and Maintenance Packages:**
- **How it works:** Offer tiered support and maintenance packages with different levels of service.
- **Advantages:**
- Clients choose the level of support they need.
- Ongoing revenue potential.
- **Considerations:**
- Clearly define what each package includes.
- Set terms for support hours.
8. **Consulting or Training Fees:**
- **How it works:** Charge for additional consulting or training services beyond the initial development.
- **Advantages:**
- Additional revenue for specialized services.
- Enhances client skills.
- **Considerations:**
- Define the scope of consulting or training.
When establishing pricing, it's essential to have a clear and detailed contract that outlines the scope of work, deliverables, payment terms, and any other relevant terms and conditions. Regular communication with the client throughout the project helps ensure expectations are aligned. Additionally, consider the market rates for similar services in your region and factor in the expertise and value you bring to the project.
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Google Bard Answer
There are several options for charging your client for creating, deploying, and maintaining a custom C/C++ application with a backend database and various functionalities like a REST API, web API, GUI, console app, and websockets streaming API. The best approach depends on several factors, including:
Project Scope:
- Complexity of the application and its features.
- Number of integrations and dependencies.
- Required performance and security standards.
Client Needs:
- Expected timeline for completion.
- Ongoing maintenance and support requirements.
- Level of access and control over the application code.
Your Business Model:
- Preferred risk profile (fixed vs. variable costs).
- Long-term relationship potential with the client.
- Desired profit margin and hourly rate.
Here are some common billing models you can consider:
1. Fixed Fee:
- Set a fixed price for the entire project scope, including development, deployment, and initial maintenance. This provides predictability for both you and the client, but it can be risky if the project encounters unforeseen complexities.
2. Time and Materials:
- Charge the client based on the actual time you spend working on the project, along with any materials or software licenses required. This can be a good option if the project scope is uncertain, but it can lead to higher costs for the client compared to a fixed fee.
3. Hourly Rate:
- Bill the client based on your hourly rate for the time you spend working on the project. This offers flexibility, but it can be difficult to estimate the total cost upfront.
4. Retainer Agreement:
- Charge the client a monthly retainer fee for ongoing maintenance and support, with additional hourly charges for any new development work. This can provide stable income while ensuring your availability for the client.
5. Usage-Based Model:
- Charge the client based on the actual usage of the application, potentially with tiered pricing based on different usage levels. This can be suitable for applications with variable usage patterns, but it may require setting up additional monitoring and billing infrastructure.
Additional Considerations:
- Milestones: Break down the project into smaller milestones and invoice the client upon completion of each milestone. This reduces risk and provides the client with clear progress updates.
- Expenses: Clearly outline any upfront or ongoing expenses (e.g., cloud VM costs, software licenses) to the client and include them in your pricing calculations.
- Contracts: Formalize the agreed-upon billing model and project scope in a written contract to avoid potential disputes.
Ultimately, the best way to determine how to charge your client is to have a transparent conversation about their needs and budget, clearly communicating your value proposition and outlining the different pricing options available.
Remember, building strong relationships with your clients is crucial. Choose a billing model that is fair, transparent, and aligns with both your financial goals and the client's expectations for a successful and long-lasting partnership.
I hope this information helps you make an informed decision about how to charge your client for your custom C/C++ application development project!
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